®
TM
Garage Door Opener
Model 1280-298LMC
- 1/2 HP -
For Residential Use Only
Owner's Manual
■ Please read this manual and the enclosed safety materials carefully!
■ Fasten the manual near the garage door after installation.
■ The door WILL NOT CLOSE unless the Protector System® is connected and
properly aligned.
■ Periodic checks of the opener are required to ensure safe operation.
■ The model number label is located under the light lens on the left side of
your opener.
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You'll Need Tools
During assembly, installation and adjustment of the opener, instructions will call for hand tools shown below.
Pencil
Carpenter's
2
1
Level
Hack Saw
Tape Measure
Wire Cutters
Drill
Claw Hammer
3/16", 5/16" and
5/32" Drill Bits
Pliers
1/2" and 7/16" Sockets
and Wrench
Stepladder
Screwdriver
Adjustable End Wrench
CAUTION
WARNING
An unbalanced garage door might not reverse
when required and someone under the door
could be seriously injured or killed.
If your garage door binds, sticks or is out of
balance, call for professional garage door
service. Garage doors, door springs, cables,
pulleys, brackets and their hardware are under
extreme tension and can cause serious injury
or death. Do not try to loosen, move or adjust
them yourself!
To avoid damage to the garage door and
opener, disable locks before installing and
operating the opener. Use a wood screw or nail
to hold locks in the "open" (unlocked) position.
Operation at other than 120V 60 Hz will cause
opener malfunction and damage.
Before you begin, complete the following test to
make sure your door is balanced, and is not
sticking or binding:
Ropes left on a garage door could cause
someone to become entangled and killed.
Remove all ropes connected to the door before
installing and operating the opener.
• Lift the door about halfway as shown. Release the
door. It should stay in place, supported entirely by
its springs.
Identify the type and height of your door and any
special conditions that exist and any additional
materials that may be required by referring to page 4.
• Raise and lower the door to see if there is any
binding or sticking.
ONE-PIECE DOOR
SECTIONAL DOOR
3
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Before you begin, survey your garage area to see whether any of the conditions below apply to your installation.
You may find it helpful to refer back to this page as you proceed with the installation of your opener.
FINISHED CEILING
Support bracket &
fastening hardware
is required.
Sectional Door Installation
See page 13.
Horizontal and vertical reinforcement
is needed for lightweight garage doors
(fiberglass, steel, aluminum,
door with glass panels, etc.).
See page 20 for details.
Header Wall
Extension Spring
OR
Torsion Spring
Access Door
Door Center
Safety
Reversing
Sensor
Floor must be level
across width of door
Model 1702LMC Outisde Quick Release
is required if there is no access door.
Safety Reversing Sensor
One-Piece Door Installation without Track
FINISHED CEILING
Support bracket
& fastening
hardware is required.
See page 13.
Header
Wall
One-Piece Door with Track
Access Door
Access
Door
Safety
Reversing
Gap between floor
Sensor
Safety
Reversing Sensor
and bottom of door
Safety
Reversing
Sensor
must not exceed 1/4".
Floor must be level
across width of door
Safety
Reversing Sensor
4
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Carton Inventory
Your garage door opener is packaged in two cartons which contain all parts illustrated below. If anything is
missing, carefully check the packing material. Parts may be "stuck" in the foam. Hardware for installation is
also listed below.
Remote Control
LOCK
Transmitter Visor Clip
LIGHT
SECURITY✚
Keyless Entry
SECURITY✚ 3-Channel
Remote Control (2)
Motion Detecting
Door Control Panel
Styrofoam
Belt
Belt Cap Retainer
Light Lens (2)
2-Conductor Bell Wire
White & White/Red
One-Piece
T-rail
CEILING MOUNT ONLY
UP
Curved Door
Arm Section
Header Bracket
Trolley
Door Bracket
Belt
Pulley Bracket
Safety Labels
and
Literature
Straight Door
Arm Section
(2) Safety Reversing Sensors
(1 Sending Eye and 1 Receiving Eye)
with
2-Conductor White & White/Black Bell Wire
attached
Safety Sensor
Bracket (2)
INSTALLATION HARDWARE
Insulated Staples (10)
Ring Fastener (3)
Dry Wall Anchors (2)
Rope
Handle
Rail Grease
Hex Screw 5/16"-18x7/8" (4)
Hex Screw #8x3/8" (2)
Lag Screw 5/16"-9x1-5/8" (2)
Lag Screw 5/16"-18x1-7/8" (2)
Carriage Bolt 5/16"-18x2-1/2" (2)
Clevis Pin 5/16"x2-3/4" (1)
Clevis Pin 5/16"x1-1/4" (1)
Clevis Pin 5/16"x1" (1)
Nut 5/16"-18 (6)
SAFETY REVERSING SENSOR
INSTALLATION HARDWARE
Carriage Bolt 1/4"-20x1/2" (2)
Wing Nut (2)
Insulated Staples (20)
Lock Washer 5/16" (6)
Screw 6ABx1-1/4" (2)
Screw 6-32x1" (2)
5
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Assembly Section: Pages 6 - 7
ASSEMBLY STEP 1
CAUTION
Attach the T-Rail To the Opener
To fasten rail, use only those screws mounted
in the top of the opener. Any other screws will
cause serious damage to the opener.
Washered Screw
5/16"-18x1/2"
Styrofoam
• Remove the two washered screws mounted in top
of opener.
• Align T-rail and styrofoam over opener sprocket.
• Cut tape from T-rail, belt and styrofoam.
• REMOVE STYROFOAM.
Belt
USE ONLY THIS
TYPE AND SIZE
SCREW
T-Rail
Hole
• Insert both washered screws through the T-rail into
the opener. Tighten both screws securely .
Washered Screw
5/16"-18x1/2"
USE ONLY THESE SCREWS! Any other screws
will cause serious damage to the opener.
Opener
Sprocket
T-Rail
Hole
Position belt over the opener sprocket.
Belt
T-Rail
Hole
Figure B
Trolley
Threaded
Shaft
ASSEMBLY STEP 2
Set the Belt Tension
Nut
Ring
Square End
Figure A
Trolley
Nut Ring
Slots
Trolley
Threaded
Shaft
Trolley
• Place a 7/16" open end wrench on the square
end. Rotate about 1/4 turn until the spring releases
and snaps the nut ring against the trolley (Figure C).
Spring
Trolley Nut
• By hand, thread the spring trolley nut on the
threaded shaft until it is finger tight against the
trolley (Figure A). Do not use any tools.
This extends the spring for optimum belt tension.
Figure C
• Insert a screwdriver tip into one of the nut ring
slots and brace it firmly against the trolley
(Figure B).
Trolley
Nut Ring
Trolley
Nut Ring
BEFORE
1"
AFTER RELEASE
1-1/4"
6
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Assembly Step 3
Attach the Belt Cap Retainer
WARNING
Serious injury can result if fingers become
entangled in moving opener sprocket. Attach
belt cap retainer securely. Never operate
opener while your hand is near the opener
sprocket.
• Position the belt cap retainer over the
opener sprocket so the two holes in cap align
with the two holes in mounting plate. Attach
with #8x3/8" hex screws provided.
Hex Screws
# 8 x 3/8"
Belt Cap
Retainer
Opener Sprocket
Mounting Plate
Hardware Shown Actual Size
Hex Screw
#8x3/8"
You have now finished assembling your garage door opener. Please read the following
warnings before proceeding to the installation section:
IMPORTANT INSTALLATION INSTRUCTIONS
WARNING
WARNING
To reduce the risk of severe injury or death to persons:
1. READ AND FOLLOW ALL INSTALLATION INSTRUCTIONS.
2. Install only on a properly balanced and lubricated garage door. An improperly balanced door
may not reverse and could result in severe injury or death. Repairs to cables, spring assemblies
and other hardware must be made by a professional service person before installing opener.
3. Disable all locks and remove all ropes connected to the garage door before installing the opener.
Ropes connected to a garage door can cause entanglement and death.
4. If possible, install door opener 7 feet or more above floor with the manual release handle
mounted 6 feet above the floor.
5. Do not connect the opener to power source until instructed to do so.
6. Locate the Door Control within sight of the door at a minimum height of 5 feet where small
children cannot reach and away from all moving parts of the door.
7. Install the User Safety Instruction Label on the wall adjacent to the control button and the
Maintenance Instruction Label in a prominent location on the inside of the garage door.
8. Upon completion of the installation, the door must reverse when it comes in contact with a
one-inch high object or a 2x4 laid flat on the floor.
9. Do not wear watches, rings or loose clothing while installing or servicing an opener. Jewelry or
loose clothing can be caught in the mechanism of the garage door or the opener.
7
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Installation Section: Pages 8 – 23
Installation Step 1
Determine Header Bracket Location
WARNING
If the header bracket is not rigidly fastened to
a structural support on the header wall or
ceiling, the safety reverse system may not
work properly (see page 26). The door might
not reverse when required, and could cause
serious injury or death.
Installation procedures vary according to garage
door types. Follow the instructions which apply to
your door.
The garage door springs, cables, pulleys,
brackets and their hardware are under extreme
tension. Do not attempt to loosen, move or
adjust them yourself. Serious personal injury
or death could result. Call for professional
garage door service.
SECTIONAL Doors and
ONE-PIECE Door With Track
Finished
Ceiling
Vertical
Guideline
Header
Wall
2x4
Structural
Supports
• Close the door and mark the inside
vertical centerline of the garage door.
• Extend the line onto the header wall
above the door.
Remember, you can fasten the
header bracket within 4 feet to the
left or right of the door center only if
a torsion spring or center bearing
plate is in the way; or you can attach
it to the ceiling (refer to page 10)
when clearance is minimal. (It may
be mounted on the wall upside down
if necessary, to gain approximately
1/2".)
Vertical
Guideline
If you need to install the header bracket
on a 2x4 (on wall or ceiling), use lag
screws (not supplied) to securely fasten
the 2x4 to structural supports.
Ceiling
Header
Wall
2"
• Open your door to the highest
point of travel as shown. Draw
an intersecting horizontal line
on the header wall 2" above
the high point. This height will
provide travel clearance for the
top edge of the door.
Track
Header
Wall
2"
Track
Highest Point
of Travel
Highest Point
of Travel
Door
Door
Sectional door with
curved track
One-piece door with
horizontal track
Proceed to Step 2, page 10.
8
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ONE-PIECE Door Without Track
Read the Safety Instructions on page 8. They also apply to doors without tracks.
Unfinished
Ceiling
Header Wall
Vertical
Centerline
2x4
• Close the door and mark the
inside vertical centerline of
your garage door. Extend the
Structural
Supports
line onto the header wall
above door.
If headroom clearance is
minimal, you can install the
2x4
Vertical
header bracket on the ceiling.
Centerline of
See page 10.
Garage Door
OPTIONAL CEILING MOUNT
• If you need to install the
header bracket on a 2x4 (on
wall or ceiling), use lag screws
(not supplied) to securely
fasten the 2x4 to structural
supports as shown.
Header Wall
Highest Point
of Travel
Header
Wall
Highest Point
of Travel
Door
Door
Jamb
Hardware
Pivot
One-piece door without track
jamb hardware
One-piece door without track
pivot hardware
• Open your door to the highest point of travel as
shown. Measure the distance from the top of the
door to the floor. Subtract the actual height of the
door. Add 8" to the remainder. (See Example).
EXAMPLE
Distance from top of door
(at highest point of travel) to floor...........................92"
Actual height of door .............................................-88"
Remainder................................................................4"
Add.........................................................................+8"
Bracket height on header wall..............................=12"
(Measure UP from top of CLOSED door.)
• Close the door and draw an intersecting horizontal
line on the header wall at the determined height.
If the total number of inches exceeds the height
available in your garage, use the maximum
height possible, or refer to page 10 for ceiling
installation.
Proceed to Step 2, page 10.
9
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You can attach the header bracket either to the
wall above the garage door, or to the ceiling.
Follow the instructions which will work best for
your particular requirements.
Installation Step 2
Install the Header Bracket
Fasten the Header Bracket to the Wall
• Center the bracket on the vertical guideline with
the bottom edge of the bracket on the horizontal
line as shown (with the arrow pointing toward the
ceiling).
• Mark either set of bracket holes (do not use the
holes designated for ceiling mount). Drill 3/16" pilot
holes and fasten the bracket securely to a structural
support with the hardware provided.
Wall
Mounting Holes
Vertical
Center
Header
Wall
Line
Lag Screws
5/16"-9x1-5/8"
CEILING MOUNT ONLY
CEILING OUNT ONLY
UP
Header
Bracket
UP
2x4
Structural
Support
Door
Spring
The nail hole is for positioning
only. You must use lag screws to
mount the header bracket.
Optional
Wall Mounting
Holes
Garage
Door
Hardware Shown Actual Size
Highest
Point of Travel
(of Garage Door)
Vertical
Center
Line
Lag Screw
5/16"-9x1-5/8"
Fasten the Header Bracket to the Ceiling
• Extend the vertical guideline onto the ceiling as
shown.
Finished
Ceiling
• Center the bracket on the vertical mark, no more
than 6" from the wall. Make sure the arrow is
pointing toward the wall. The bracket can be
mounted flush against the ceiling when clearance
is minimal.
Vertical
Center Line
Header
Bracket
• Mark holes designated for ceiling mount only. Drill
3/16" pilot holes and fasten bracket securely to a
structural support with the hardware provided.
U P
6" Maximum
Door
Spring
Lag Screws
5/16"-9x1-5/8"
Ceiling Mounting Holes
CEILING MOUNT ONLY
UP
Header
Wall
Vertical
Center Line
Garage
Door
The nail hole is for positioning only.
You must use lag screws to mount
the header bracket.
10
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Installation Step 3
Attach the T-rail to the Header Bracket
• Position the opener on the garage floor below the
header bracket. Use packing material as a
protective base.
Header Wall
Header
Bracket
If the door spring is in the way you'll need help.
Have someone hold the opener securely on a
temporary support to allow the T-rail to clear the
spring.
Belt Pulley
Bracket
• Position the belt pulley bracket against the header
bracket.
• Align the bracket holes and join with a clevis pin as
shown.
• Insert a ring fastener to secure.
Ring Fastener
T-rail
Header Bracket
Clevis Pin
5/16"x2-3/4 "
Belt Pulley
Bracket
T-rail
Garage
Door
Temporary
Support
Hardware Shown Actual Size
Clevis Pin
5/16"x2-3/4"
Ring Fastener
11
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Installation Step 4
Position the Opener
CAUTION
To prevent damage to steel, aluminum,
fiberglass or glass panel doors, do not rest the
opener on the door without using a 2x4.
Follow instructions which apply to your door type
as illustrated.
SECTIONAL Door & ONE-PIECE Door with Track
A 2x4 laid flat is convenient for setting an ideal
door-to-T-rail distance.
• Raise the opener onto a stepladder.
2x4
Laid Flat
T-rail
You will need help at this point if the ladder is
not tall enough.
• Open the door all the way and place a 2x4 laid flat
on the top section beneath the T-rail.
Door
• If the top panel hits the trolley when you raise
the door, pull down on the trolley release arm
to disconnect inner and outer sections. The
trolley can remain disconnected until Step 12
is completed.
Stepladder
Trolley
Release Arm
Trolley
ONE-PIECE Door without Track
Header
Bracket
• With the door fully open and parallel to the floor,
Top of Opener
measure the distance from the floor to the top of
the door.
Top of Door
• Using a stepladder as a support, raise the opener
to the same distance as the door from the floor (it
will be at a slight angle as shown).
• The top of the door should be level with the top of
the opener. Do not position the opener more than
2" above this point.
Stepladder
12
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Installation Step 5
Hang the Opener
WARNING
The opener could fall and injure someone if it
is not properly secured. Fasten the opener
securely to structural supports of the garage.
Two representative installations are shown.
Yours may be different. Hanging brackets should
be angled, Figure 1, to provide rigid support. On
finished ceilings, Figure 2, attach a sturdy metal
bracket to structural supports before installing the
opener. The bracket and fastening hardware are not
supplied.
Figure 1
Structural
Supports
• Measure the distance from each side of the opener
to the structural support.
Lag Screws
5/16"-18x1-7/8"
• Cut both pieces of the hanging bracket to required
lengths.
Measure
Distance
• Drill 3/16" pilot holes in the structural supports.
• Attach one end of each bracket to a support with
5/16"-18x1-7/8" lag screws.
5/16"-18x7/8"
Hex Screws
5/16" Lock Washers
5/16"-18 Nuts
• Fasten the opener to the hanging brackets with
5/16"-18x7/8" hex screws, lock washers and nuts.
• Check to make sure the T-rail is centered over the
door (or in line with the header bracket if the
bracket is not centered above the door).
• Remove the 2x4. Operate the door manually. If the
door hits the rail, raise the header bracket.
Figure 2
— FINISHED CEILING —
Bracket
(Not Supplied)
Hidden
Support
Grease the top and underside
of the rail surface where
the trolley slides with
rail grease.
Lag Screws
5/16"-18x1-7/8"
(Not Supplied)
5/16"-18x7/8" Screw
5/16" Lock Washer
5/16"-18 Nut
5/16"-18x7/8" Screw
5/16" Lock Washer
5/16"-18 Nut
Hardware Shown Actual Size
Lag Screw
5/16"-18x1-7/8"
Hex Screw
5/16"-18x7/8"
Lock Washer 5/16"
Nut 5/16"-18
13
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Installation Step 6
Install the Door Control Panel
WARNING
DO NOT CONNECT TO LIVE ELECTRICAL WIRING.
CONNECT ONLY TO 24 VOLT LOW VOLTAGE
WIRES. CONNECTION TO LIVE WIRES OR HIGHER
VOLTAGE MAY CAUSE SERIOUS INJURY FROM
SHOCK, BURN OR ELECTROCUTION.
Children operating or playing with a garage door
opener can injure themselves or others. The garage
door could close and cause serious injury or death.
Do not allow children to operate the push button(s)
or the remote control transmitter(s).
Locate the door control within sight of the door at a
minimum height of 5 feet where small children cannot
reach, and away from all moving parts of the door and
door hardware.
The door control is typically attached directly to the wall.
If installing into drywall, drill 5/32" holes and use the
anchors provided. For pre-wired installations (as in new
home construction) it can be mounted to a standard single
gang box. See illustrations.
1. Strip 1/4" of insulation from one end of the bell wire.
Connect the wire to the two screw terminals on back of
door control: white wire to 2 and white/red wire to 1.
2. Remove the push bar cover by gently prying off the top
edge with a coin or screwdriver. Fasten with 6ABx1-1/4"
self-tapping screws (standard installation) or 6-32x1"
machine screws (pre-wired installation) as follows:
• Install bottom screw, allowing 1/8" to protrude from
the wall.
A moving garage door could injure someone under
it. Activate the opener only when the door is
properly adjusted, you can see it clearly, and there
are no obstructions to door travel.
Do NOT connect the power and operate the
opener at this time. The trolley will travel to the
full open position but will not return to the close
position until the sensor beam is connected and
properly aligned. See Safety Reversing Sensor
Instructions beginning on page 17.
• Position bottom of door control on screw head and
adjust for snug fit.
• Install top screw with care to avoid cracking plastic
housing. Do not overtighten.
3. (For standard wall mount only)
Outside Keylock Accessory Connections
To opener terminal screws: white to 2; white/red to 1
Run the bell wire up wall and across ceiling to opener.
Use insulated staples to secure the wire in several
places. Be careful not to pierce the wire with a staple,
creating a short.
PRE-WIRED INSTALLATION
24 Volt
2-Conductor Bell Wire
4. Connect the bell wire to the terminal screws on the
opener panel: white to 2 and white/red to 1.
5. After testing, replace the cover by inserting top tabs
and snapping into place.
To Replace
Insert Top
Tabs First
NOTE: After installation, the green indicator light behind the
push bar cover will indicate proper connection.
The automatic light feature will become functional 1-1/2
minutes after power is restored.
LOCK
ON
OFF
Detector
Switch
LIGHT
Push Bar Cover
6. Attach the User Safety Instruction label to the wall near
the door control, and the Maintenance Instruction label
in a prominent location on the inside of the garage
door.
STANDARD WALL MOUNT
To Replace
Insert Top
Tabs First
Page 28 explains how to use the door control.
This device complies with Part 15 of the FCC Rules. Operation is subject to
the following two conditions: (1) this device may not cause harmful
interference, and (2) this device must accept any interference received,
including interference that may cause undesired operation.
Detector
Switch
ON
LOCK
LIGHT
Push Bar Cover
Push Bar
OFF
Opener
Terminal Screws
2-Conductor
Bell Wire
2-Conductor
Hardware Shown
Actual Size
Bell Wire
2
WHITE
1
2
3
Door
1
RED
Control
Terminal
Screws
Dry Wall Anchors
Insulated
Staples
9
9
1
1
7
3
7
3
5
5
LOCK
KG
KG
LIGHT
Lock
Button
Screw 6-32x1" (pre-wired)
Light Button
6ABx1-1/4" Screw
(std installation)
RIGHT PANEL OF OPENER
Antenna
14
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Installation Step 7
Install the Lights and the Lenses
Lens
Guide
• Install a 75 watt maximum light bulb in the socket.
The light will turn ON and remain lit for
approximately 4-1/2 minutes when power is
connected. Then the light will turn OFF.
75 Watt
Maximum
Light Bulb
ens
ab
• If the bulbs burn out prematurely due to vibration,
replace with a "Garage Door Opener" bulb.
Watt
ximum
ht Bulb
• Slide lenses into guides. Snap bottom tabs into
lens slots.
Lens Slot
• For convenience, the lenses may be installed
after Adjustment Step 4 on page 26.
Lens Tab
• Reverse the procedure to remove the lenses.
Installation Step 8
Attach the Manual Release
Rope and Handle
WARNING
Do not use the red handle to pull the door
open or closed. The rope knot could become
untied and you could fall. Use the manual
release only to disengage the trolley and, if
possible, only when the door is closed.
Garage doors are heavy. If the door is open
when the handle is pulled, the door could
close inadvertently if it is not properly
balanced. Serious injury may result to persons
under the door. Make sure the doorway is clear
of persons and obstructions before pulling
handle when door is open.
Overhand
Knot
Trolley
Trolley
Release Arm
Rope
• Thread one end of the rope through the hole in the
top of the red handle so "NOTICE" reads right side
up as shown. Secure with an overhand knot at least
1" from the end of the rope to prevent slipping.
NOTICE
Manual
Release Handle
Overhand
Knot
• Thread the other end of the rope through the hole in
the release arm of the outer trolley.
• Adjust rope length so the handle is 6 feet above the
floor. Secure with an overhand knot.
If it is necessary to cut the rope, heat seal the cut end
with a match or lighter to prevent unraveling.
15
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Installation Step 9
Electrical Requirements
WARNING
To prevent electrocution or fire, installation
and wiring must be in compliance with local
electrical and building codes.
To reduce the risk of electric shock, your garage
door opener has a grounding type plug with a third
grounding pin. This plug will only fit into a grounding
type outlet.
Do NOT use an extension cord, 2-wire adapter,
or change the plug in any way to make it fit
your outlet.
If the plug doesn't fit into the outlet you have,
contact a qualified electrician to install the proper
outlet.
To avoid installation difficulties, do not run the
opener at this time.
Right
Wrong
If permanent wiring is required by your local code, refer to the following procedure:
WARNING
To prevent electrocution, remove power from
the garage door opener and from the circuit
you plan to use for the permanent
connection.
Permanent wiring
connection
• To make a permanent connection through the
7/8" diameter hole in the top of the opener
(according to local code):
• Remove the opener cover screws and set the
cover aside.
Ground Tab
• Remove the attached 3-prong cord.
Green
Ground
Screw
• Connect the black (line) wire to the screw on the
brass terminal; the white (neutral) wire to the
screw on the silver terminal; and the ground wire
to the green ground screw. The opener must be
grounded.
Black
Wire
Ground Wire
• Reinstall the cover.
To avoid installation difficulties, do not run the
opener at this time.
White Wire
Black
Wire
16
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The Protector® System
IMPORTANT INFORMATION ABOUT THE SAFETY
REVERSING SENSOR
WARNING
Without a properly working safety reversing
sensor, persons (particularly children) could be
injured or killed by a closing garage door. Read
and follow all instructions.
The safety reversing sensor must be connected
and aligned correctly before the garage door
opener will move in the down direction. This is a
required safety device and cannot be disabled.
To protect small children, install the safety
reversing sensor so that the beam will be no
higher than 4"-6" above the garage floor.
When properly connected and aligned, the safety
reversing sensor will detect an obstacle in the path of
its electronic beam. The sending eye (with an orange
indicator light) transmits an invisible light beam to the
receiving eye (with a green indicator light). If an
obstruction breaks the light beam while the door is
closing, the door will stop and reverse to full open
position, and the door control will flash for 5 seconds.
Disconnect power to the garage door opener
before installing the safety reversing sensor.
If it is necessary to mount the units on the wall, the
brackets must be securely fastened to a solid surface
such as the wall framing. Extension brackets (see
accessories) are available if needed. If installing in
masonry construction, add a piece of wood at each
location to avoid drilling extra holes in masonry if
repositioning is necessary.
The units must be installed inside the garage so that
the sending and receiving eyes face each other
across the door, between 4 – 6" above the floor.
Either can be installed on the left or right of the door
as long as the sun never shines directly into the
receiving eye lens.
The invisible light beam path must be unobstructed.
No part of the garage door (or door tracks, springs,
hinges, rollers or other hardware) may interrupt the
beam while the door is closing.
The mounting brackets are designed to clip onto the
track of sectional garage doors without additional
hardware.
Sensor Beam
4-6" max.
Sensor Beam
4-6" max.
above floor
above floor
Invisible Light Beam
Protection Area
: Facing the door from inside the garage
Figure 1
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Figure 2
DOOR TRACK MOUNT (Right Side)
Installation Step 10
Install the Safety Reversing Sensor
Door
Track
INSTALLING THE BRACKETS
Lip
Be sure power to the opener is disconnected.
Install and align the brackets so the sensors will face
each other across the garage door, with the beam
from 4 – 6" above the floor.
Indicator
light
Sensor
Bracket
They may be installed in one of three ways, as
follows.
Lens
Garage door track installation (preferred):
• Slip the curved arms over the rounded edge of each
door track, with the curved arms facing the door.
Snap into place against the side of the track. It
should lie flush, with the lip hugging the back edge
of the track, as shown in Figure 2.
Figure 3
WALL MOUNT (Right Side)
Optional
Extension
Bracket
Inside
Garage
Wall
If your door track will not support the bracket
securely, wall installation is recommended.
(See Accessories)
(Provided with
Extension
Bracket)
Wall installation:
• Place the bracket against the wall with curved arms
facing the door. Be sure there is enough clearance
for the sensor beam to be unobstructed.
• If additional depth is needed, an extension bracket
(see Accessories) or wood blocks can be used.
• Use bracket mounting holes as a template to locate
and drill (2) 3/16" diameter pilot holes on the wall at
each side of the door, from 4–6" above the floor.
Sensor
Bracket
Indicator
light
(Provided with
Extension Bracket)
Lens
• Attach brackets to wall with lag screws (not
provided).
Figure 4
FLOOR MOUNT (Right Side)
• If using extension brackets or wood blocks, adjust
right and left assemblies to the same distance out
from the mounting surface. Make sure all door
hardware obstructions are cleared.
Lens
Sensor
Bracket
Indicator
light
(Provided with
Extension Bracket)
Floor installation:
• Use wood blocks or extension brackets (see
Accessories) to elevate sensor brackets so the
lenses will be 4-6" above the floor.
Attach with
concrete anchors
(not provided)
• Carefully measure and place right and left
assemblies at the same distance out from the wall.
Be sure all door hardware obstructions are cleared.
(Provided with
Extension
Bracket)
Optional
Extension
Bracket
Inside
Garage
Wall
• Fasten to the floor with concrete anchors as shown.
(See Accessories)
Hardware Shown Actual Size
Carriage Bolt
1/4"-20x1/2" (2)
Insulated Staples (20)
Wing Nut (2)
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MOUNTING AND WIRING THE SAFETY SENSORS
Figure 5
• Slide a 1/4"-20x1/2" carriage bolt head into the slot
on each sensor. Use wing nuts to fasten sensors to
brackets, with lenses pointing toward each other
across the door. Be sure the lens is not obstructed
by a bracket extension. See Figure 5.
Wing nut
1/4"-20x1/2"
Carriage bolt
• Finger tighten the wing nuts.
Lens
• Run the wires from both sensors to the opener. Use
insulated staples to secure wire to wall and ceiling.
TROUBLESHOOTING THE SAFETY SENSORS
• Strip 1/4" of insulation from each set of wires.
Separate white and white/black wires sufficiently to
connect to the opener terminal screws: white to 2
and white/black to 3.
1. If the sending eye indicator light does not glow
steadily after installation, check for:
• Electric power to the opener.
• A short in the white or white/black wires. These
can occur at staples, or at screw terminal
connections.
ALIGNING THE SAFETY SENSORS
• Plug in the opener. The indicator lights in both the
sending and receiving eyes will glow steadily if
wiring connections and alignment are correct.
• Incorrect wiring between sensors and opener.
• A broken wire.
The sending eye orange indicator light will glow
regardless of alignment or obstruction. If the green
indicator light in the receiving eye is off, dim, or
flickering (and the invisible light beam path is not
obstructed), alignment is required.
2. If the sending eye indicator light glows steadily but
the receiving eye indicator light doesn't:
• Check alignment.
• Check for an open wire to the receiving eye.
• Loosen the sending eye wing nut and readjust,
aiming directly at the receiving eye. Lock in place.
3. If the receiving eye indicator light is dim, realign
either sensor.
• Loosen the receiving eye wing nut and adjust
sensor until it receives the sender’s beam. When
the green indicator light glows steadily, tighten the
wing nut.
NOTE: When the invisible beam path is obstructed or
misaligned while the door is closing, the door will
reverse. If the door is already open, it will not close.
The door control will blink 10 times. See page 17.
Figure 6 Wiring the Safety Sensors
Connect Wire to
Opener Terminals
Finished
Bell Wire
Ceiling
Door Control
Connections
(dotted line)
Sensor
Connections
Bell Wire
1
2
3
OPENER TERMINAL SCREWS
Sensor
Invisible Light Beam
Protection Area
Sensor
19
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Installation Step 11
WARNING
Fasten Door Bracket
To prevent damage to steel, aluminum,
fiberglass or glass panel doors, always
reinforce the inside of the door both vertically
and horizontally with angle iron.
Follow instructions which apply to your door type
as illustrated below or on page 21.
A horizontal brace should be long enough to be secured to 2 vertical supports. A vertical brace should
cover the height of the top panel.
The illustration shows one piece of angle iron as the horizontal brace. For the vertical brace, 2 pieces of
angle iron are used to create a "U"-shaped support. The best solution is to check with your garage door
manufacturer for an opener installation door reinforcement kit.
SECTIONAL Door Installation Procedure
Header
Bracket
Horizontal and vertical reinforcement
is needed for lightweight garage doors
(fiberglass, aluminum, steel,
doors with glass panel, etc).
Figure 1
Vertical
Reinforcement
Vertical
Guideline
Door
Bracket
Location
UP
Carriage Bolt
5/16"-18x2-1/2"
Vertical
Guideline
Door
Bracket
Lock
Washer
5/16"
Nut
5/16"-18
Figure 2
Inside Edge
of Door or
Reinforcement Board
UP
• Center the door bracket on the previously marked
vertical guideline used for the header bracket
installation. Note the correct UP placement as
Door Bracket
stamped inside the bracket.
• Position the bracket on the face of the door within
the following limits:
Hardware Shown Actual Size
A) The top edge of the bracket 2"-4" below the top
edge of the door.
B) The top edge of the bracket directly below any
structural support across the top of the door.
Nut 5/16"-18
Lock Washer 5/16"
• Mark and drill 5/16" left and right fastening holes.
Secure the bracket as shown in Figure 1 if there is
vertical reinforcement.
If your installation doesn't require vertical reinforce-
ment but does need top and bottom fastening holes
for the door bracket, fasten as shown in Figure 2.
Carriage Bolt
5/16"-18x2-1/2"
20
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All ONE-PIECE Door Installation Procedure
Please read and comply with the warnings and reinforcement instructions on page 20.
They apply to one-piece doors also.
Header Wall
2x4 Support
— Finished Ceiling —
Header
Bracket
Horizontal and vertical reinforcement is
Door
needed for lightweight garage doors
Bracket
(fiberglass, aluminum, steel, door with
glass panel, etc.). (Not Provided)
Vertical
Centerline of
Garage Door
Inside Edge
of Door or
Reinforcement Board
Door
Bracket
• Center the bracket on the inside face of the door,
in line with the header bracket as shown. Mark
Hardware Shown Actual Size
either the left and right, or the top and bottom
holes.
• Drill 5/16" pilot holes and fasten the door bracket
with hardware supplied.
Nut 5/16"-18
Lock Washer 5/16"
Carriage Bolt
5/16"-18x2-1/2"
21
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Installation Step 12
Connect Door Arm to Trolley
Follow instructions which apply to your door type
as illustrated below and on page 23.
SECTIONAL Doors Only
Make sure garage door is fully closed. Pull the manual release handle to disconnect the outer trolley
from the inner trolley. Slide the outer trolley back (away from the door) about 2" as shown in
Figures 1, 2 and 3.
Figure 1:
Figure 2:
• Fasten straight door arm section to outer trolley
with the 5/16"x1" clevis pin. Secure the connection
with a ring fastener.
• Bring arm sections together. Find two pairs of holes
that line up and join sections. Select holes as far
apart as possible to increase door arm rigidity.
• Fasten curved section to the door bracket in the
same way, using the 5/16"x1-1/4" clevis pin.
Inner Trolley
Outer Trolley
Lock
Washers
5/16"
Rope
Clevis Pin
5/16"x1"
Ring Fastener
Nuts
5/16"-18
Manual
Release
Handle
Straight
Door
Door Arm
Bracket
Screws
5/16"-18x7/8"
Door
Bracket
Figure 1
Figure 2
Curved
Door Arm
Clevis Pin
5/16"x1-1/4"
Hole Alignment Alternative
Figure 3:
• If holes in curved arm are above holes in straight
arm, disconnect straight arm. Cut about 6" from
the solid end. Reconnect to trolley with cut end
down as shown.
Lock
Washers
5/16"
• Bring arm sections together.
• Find two pairs of holes that line up and join with
screws, lock washers and nuts.
Nuts
5/16"-18
Hardware Shown Actual Size
Screws
5/16"-18x7/8"
Cut This End
Nut 5/16"-18
Lock Washer 5/16" Ring Fastener
Figure 3
Clevis Pin
5/16"x1-1/4" (Door Bracket)
Hex Screw
5/16"-18x7/8"
Clevis Pin
5/16"x1" (Trolley)
Proceed to Adjustment Step 1, page 24. Trolley will re-engage automatically when the opener is operated.
22
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All ONE-PIECE Doors
Assemble the Door Arm:
Door
Bracket
• Fasten the straight and curved door arm sections
together to the longest possible length (with a 2 or 3
hole overlap).
Ring
Fastener
Lock
Washers
5/16"
Nuts
5/16"-18
• With the door closed, connect the straight door arm
section to the door bracket with the 5/16"x1-1/4"
clevis pin.
Straight
Door Arm
5/16"x1-1/4"
Clevis Pin
• Secure with a ring fastener.
Screws
5/16"-18x7/8"
Curved Door Arm
On one-piece doors, before connecting the door arm to the trolley the travel limits must be adjusted. Limit
adjustment screws are located on the left side panel as shown on page 24. Follow adjustment procedures
below.
Fully Closed
Trolley
Fully Open
Trolley
Door Arm
Door Arm
Door Arm
Connector Hole
Connector Hole
Door Arm
Closed
Door
Door with
Backward Slant
Open Door
Adjustment Procedures for One-Piece Doors
Open Door Adjustment:
Decrease UP limit
Closed Door Adjustment:
Decrease DOWN limit
• Turn the UP limit adjustment screw counter-
clockwise 5-1/2 turns.
• Turn the DOWN limit adjustment screw clockwise 5
complete turns.
• Press the Door Control push bar. The trolley will
travel to the fully open position.
• Press the Door Control push bar. The trolley will
travel to the fully closed position.
• Manually raise the door to the open position
(parallel to the floor), and lift the door arm to the
trolley. The arm should touch the trolley just in
back of the door arm connector hole. Refer to the
fully open trolley/door arm positions in the
illustration. If the arm does not extend far enough,
adjust the limit further. One full turn equals 2" of
trolley travel.
• Manually close the door and lift the door arm to the
trolley. The arm should touch the trolley just ahead
of the door arm connector hole. Refer to the fully
closed trolley/door arm positions in the illustration. If
the arm is behind the connector hole, adjust the limit
further. One full turn equals 2" of trolley travel.
Connect the door arm to the trolley.
• Close the door and join the curved arm to the connector hole in the trolley with the remaining clevis pin. It may be
necessary to lift the door slightly to make the connection.
• Secure with a ring fastener.
• Run the opener through a complete travel cycle. If the door has a slight "backward" slant in full open position as
shown in the illustration, decrease the UP limit until the door is parallel to the floor.
23
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Adjustment Section: Pages 24 – 26
Adjustment Step 1
Adjust the UP and DOWN Limits
WARNING
Improper adjustment of the travel limits will
interfere with the proper operation of the safety
reverse system. The door might not reverse
properly when required and could seriously
injure or kill someone under it. Test the safety
reverse system following all adjustments to the
travel limits. See page 26.
Do not make any limit adjustments until the
safety reversing sensors are completely
installed.
Limit adjustment settings regulate the points at
which the door will stop when moving up or down.
The door will stop in the up direction if anything
interferes with door travel. The door will reverse in
the down direction if anything interferes with the
door travel (including binding or unbalanced doors).
To operate the opener, press the Door Control push
bar. Run the opener through a complete travel
cycle.
2-4"
Cover
Protection
Bolt
• Does the door open and close completely?
• Does the door stay closed and not reverse
unintentionally when fully closed?
If your door passes both of these tests, no limit
adjustments are necessary unless the reversing test
fails (See page 26).
Left Side
Panel
Limit
Adjustment
Screws
Adjustment procedures are outlined below. Run
the opener through a complete travel cycle after
each adjustment.
Adjustment Label
Repeated operation of the opener during
adjustment procedures may cause the motor to
overheat and shut off. Simply wait 15 minutes
and try again.
Read the procedures carefully before continuing on
to Adjustment Step 2. Use a screwdriver to make
limit adjustments.
How and When to Adjust the Limits
• If the door does not open completely, but
opens at least five feet:
If you have adjusted the door arm to the maximum
length and the door still will not close completely,
lower the header bracket. See Installation Step 1,
pages 8 and 9.
Increase up travel. Turn the UP limit adjustment
screw clockwise. One turn equals 2" of travel.
NOTE: To prevent the trolley from hitting the
cover protection bolt, keep a minimum distance
of 2-4" between the trolley and the bolt.
• If the opener reverses in fully closed position:
Decrease down travel. Turn the DOWN limit
adjustment screw clockwise. One turn equals 2" of
travel.
• If door does not open at least 5 feet:
Adjust the UP (open) force as explained in
Adjustment Step 2.
• If the door reverses when closing and there is
no visible interference to travel cycle:
If the opener lights are flashing, the Safety Reversing
Sensors are either not installed, misaligned, or
obstructed. See Troubleshooting, page 19.
• If the door does not close completely:
Increase down travel. Turn the DOWN limit
adjustment screw counterclockwise. One turn
equals 2" of travel.
Test the door for binding: Pull the manual release
handle. Manually open and close the door. If the door
is binding, call for garage door service. If the door is
not binding or unbalanced, adjust the DOWN (close)
force. See Adjustment Step 2.
If the door still won't close completely and the trolley
bumps into the pulley bracket (see page 4), try
lengthening the door arm (see page 22).
24
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Adjustment Step 2
Adjust the Force
WARNING
Too much force on the door will interfere with
the proper operation of the safety reverse
system. The door might not reverse properly
when required and could seriously injure or
kill someone under it. Do not increase the
force beyond the minimum amount required to
close the door. Do not use the force
adjustments to compensate for a binding or
sticking garage door. Test the safety reverse
system following all adjustments to force
levels. See page 26.
Force adjustment controls are located on the right
side panel of the opener. Force adjustment settings
regulate the amount of power required to open and
close the door.
The door will stop in the up direction if anything
interferes with its travel. The door will reverse in the
down direction if anything interferes with its travel
(including binding or unbalanced doors).
If the forces are set too light, door travel may be
interrupted by nuisance reversals in the down
direction and stops in the up direction. Weather
conditions can affect the door movement, so
occasional adjustment may be needed.
Force
Adjustment
Controls
The maximum force adjustment range is 260
degrees, about 3/4 of a complete turn. Do not force
controls beyond that point. Turn force adjustment
controls with a screwdriver.
1
2
3
9
9
1
1
7
3
7
3
5
5
KG
KG
9
9
1
1
7
7
3
3
5
5
KG
KG
Right Side Panel
of Opener
Adjustment Label
How and When to Adjust the Forces
Test the DOWN (close) force
If the door doesn't open at least 5 feet
Grasp the door bottom when the door is about
halfway through DOWN (close) travel. The door
should reverse. Reversal halfway through down
travel does not guarantee reversal on a one-inch
obstruction. See page 26. If the door is hard to
hold or doesn't reverse, decrease the DOWN (close)
force by turning the control counterclockwise.
Increase UP (Open) force by turning the control
clockwise. Make 10 degree turn adjustments until
door opens completely. Re-adjust the UP limit if
necessary. After each adjustment, run the opener
through a complete travel cycle.
If the door reverses during the down (close) cycle
and the opener lights aren't flashing
Make 10 degree turn adjustments until the door
reverses normally. After each adjustment, run the
opener through a complete cycle.
Increase DOWN (close) force by turning the control
clockwise. Make 10 degree turn adjustments until the
door completes a close cycle. After each adjustment,
run the opener through a complete travel cycle. Do
not increase the force beyond the minimum
amount required to close the door.
Test the UP (open) force
Grasp the door bottom when the door is about
halfway through UP (open) travel. The door should
stop. If the door is hard to hold or doesn't stop,
decrease UP (open) force by turning the control
counterclockwise. Make 10 degree turn adjustments
until the door stops easily. After each adjustment,
run the opener through a complete travel cycle.
25
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Adjustment Step 3
WARNING
Test the Protector System®
Without a properly working safety reversing
sensor, persons (particularly children) could be
seriously injured or killed if trapped by a closing
garage door. Repeat this test once a month.
• Press the remote control push button to open the
door.
• Place the opener carton in the path of the door.
• Press the remote control push button to close the
door. The door will not move more than an inch,
and the opener lights will flash.
Professional service is required if the opener
closes the door when the safety reversing
sensor is obstructed.
The garage door opener will not close from a
remote if the indicator light in either sensor is off
(alerting you to the fact that the sensor is misaligned
or obstructed).
The garage door can be closed by pressing and
holding the Door Control push bar until down travel
is completed.
Détecteur inverseur de sécurité
Détecteur inverseur de sécurité
Adjustment Step 4
Test the Safety Reverse System
WARNING
Failure to test and adjust the safety reverse
system may result in serious injury or death to
perons trapped by a closing garage door.
Repeat this test once a month and adjust as
needed.
Test:
• With the door fully open, place a 2x4 laid flat on
the floor, centered under the garage door.
• Operate the door in the down direction. The door
must reverse on striking the obstruction.
Adjustment:
If the door stops on the obstruction, it is not traveling
far enough in the down direction.
• Increase the DOWN limit by turning the DOWN
limit adjustment screw counterclockwise 1/4 turn.
• Repeat the test.
On a sectional door, make sure limit
adjustments do not force the door arm beyond a
straight up and down position. See the
illustration on page 22.
• When the door reverses on the 2x4 laid flat,
remove the obstruction and run the opener through
3 or 4 complete travel cycles to test adjustment.
If the door will not reverse after repeated adjustment
attempts, call for professional garage door service.
2x4 laid flat
Important safety check:
Repeat Adjustment Steps 1, 2 and 4 after:
• Each adjustment of door arm length, force controls
or limit controls.
• Any repair to or adjustment of the garage door
(including springs and hardware).
• Any repair to or buckling of the garage floor.
• Any repair to or adjustment of the opener.
26
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IMPORTANT SAFETY INSTRUCTIONS
WARNING
WARNING
To reduce the risk of severe injury or death to persons:
1. READ AND FOLLOW ALL INSTRUCTIONS.
2. Do not permit children either to operate or to play with the opener. Keep remote control in a
location inaccessible to children.
3. Operate opener only when the door is in full view and free from any obstruction. Keep the door in
sight until it is completely closed. NO ONE SHOULD CROSS THE PATH OF THE MOVING DOOR.
4. Check safety reversal system monthly. See page 26. The garage door MUST reverse on contact
with a one-inch object (or a 2x4 board laid flat) placed on the floor. If an adjustment is made to
either the force or the limit of travel, both adjustments may be needed and the safety reversal
system must be checked. Failure to properly adjust the opener may result in severe injury or death.
5. If possible, use the manual release only when the door is in a closed position. Caution should be
taken whenever the disconnect cord is actuated with the door open. Weak or broken springs may
cause the door to fall rapidly, causing injury or death to persons.
6. KEEP GARAGE DOORS PROPERLY BALANCED. See page 3. An improperly balanced door may not
reverse when required and could result in severe injury or death. Repairs to cables, spring
assemblies and other hardware must be made by a professional garage door person.
7. Disconnect the electric power from the garage door opener before making any repairs or removing
the covers.
8.
SAVE THESE INSTRUCTIONS.
Care of Your Opener
The remote control transmitter:
Limit and force adjustment controls
The opener must learn the code of any new remote
control. Page 29 explains how to program your
receiver and how to erase all codes if required. Self
service of your radio controls and remote controls is
not recommended. If service is needed, call the toll-
free number listed on the back page.
Limit Controls
Force Controls
9
9
1
1
7
7
3
3
5
5
KG
KG
Adjustment Label
(Located on the left side panel)
Adjustment Label
(Located on the right side panel)
The remote control battery:
The lithium battery should produce
power for up to 5 years. To replace
the battery, pry open case with visor
clip or screwdriver, as shown. Insert
battery positive side up.
Weather conditions may cause some minor
changes in door operation requiring some re-
adjustments, particularly during the first year of
operation.
Dispose of your old battery properly.
Pages 24 and 25 refer to the limit and force
adjustments. Only a screwdriver is required. Follow
the instructions carefully.
WARNING
Repeat the safety reverse test (page 26) after any
adjustment of limits or force.
Keep batteries away from small children. If
swallowed, promptly notify doctor.
Maintenance Schedule
Once a Month
Repeat the safety reverse test. Make any
necessary adjustments. (See page 26.)
Manually operate door. If it is unbalanced or
binding, call for professional garage door service.
Once a Year
Check to be sure door opens & closes fully.
Adjust limits and/or force if necessary. (See pages
24 and 25.)
Oil door rollers, bearings and hinges. The opener
does not require additional lubrication. Do not
grease the door tracks.
27
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Operation of Your Opener
Activate the opener with any of the following:
•
•
•
The Remote Control Transmitter. Hold push button
down until the door starts to move.
WARNING
The Door Control. Hold push bar down until the door
starts to move.
Weak or broken springs could allow an open
door to fall (either rapidly or unexpectedly),
resulting in serious injury, death or property
damage. If possible, use the manual release rope
and handle only when the door is fully closed.
The Outside Keylock or Keyless Entry.
(See Accessories)
When the opener is activated:
1. If open, the door will close. If closed, it will open.
2. If closing, the door will reverse.
One blink indicates that the timer is reset to 1-1/2 minutes.
Repeat the procedure and the light will blink twice,
resetting the timer to 2-1/2 minutes. Repeat again for a
3-1/2 minute interval, etc., up to a maximum of four blinks
and 4-1/2 minutes.
3. If opening, the door will stop (allowing space for entry
and exit of pets and for fresh air).
4. If the door has been stopped in a partially open position,
it will close.
Automatic Light Feature: The opener light will turn on
automatically when a person enters the garage. When a
person walks in front of the door control, the light will come
on for five minutes, then shut off. This feature works by
detecting body heat and may not work in temperatures
around 100˚F.
To disable this feature, slide the Detector Switch on the
right side of the door control down (off).
We recommend that you disable the motion sensor when
using the opener lights as working lights. Otherwise, they
will turn off automatically if you are working beyond the
sensor’s range.
5. If obstructed while closing, the door will reverse. If the
obstruction interrupts the sensor beam, the opener lights
will blink for 5 seconds.
6. If obstructed while opening, the door will stop.
7. If fully open, the door will not close when the beam is
broken. The sensor has no effect in the opening cycle.
If the sensor is not correctly installed and aligned, the door
won't close from any remote control transmitter. You can
close the door with the Door Control, the Outside Keylock,
or Keyless Entry, however, if you activate them until down
travel is complete. If you release them too soon, the door
will reverse.
Energy Saving Feature: This door control senses the
brightness inside the garage, and will not turn the light on if
it is already bright enough. If the light sensor turns on the
light when it is not needed or does not turn it on when it is
dark, the sensitivity can be adjusted. Remove the push bar
cover by gently prying off the top edge with a coin or
screwdriver. Underneath there is a dial below the red light
on the right side. Use a small screwdriver to turn the dial
toward “L” (counterclockwise) to make the light come on, or
toward “H” (clockwise) to make the light go off. Replace the
cover by inserting top tabs and snapping into place.
Lock Feature: Designed to prevent operation of the door
from portable remote controls. However, the door will open
and close from the Door Control push bar and from the
Outside Keylock and the Keyless Entry accessories.
To activate: Press and hold the Lock button for 2 seconds.
The push button indicator light will flash as long as the lock
is on.
The Opener Lights will turn on under the following
conditions: When the opener is initially plugged in; when
the power is restored after interruption; when the opener
is activated. It will turn off automatically after 4-1/2 minutes
or provide constant light when the Light feature is activated.
Bulb size is 75 watts maximum.
OPERATION OF THE MOTION DETECTING
DOOR CONTROL PANEL
This door control contains a motion detector that will
automatically turn on the light when it detects a person
entering the garage. This feature can be easily turned off
for extended work light use.
Door Control Push Bar: Press to open or close the door.
Press again to reverse the door during the closing cycle,
or to stop the door while it is opening.
Light Feature: Press the Light button to switch the opener
light on or off. When the door is opened or closed, the light
will remain on for 4-1/2 minutes. Press the Light button to
turn it off sooner. The Light button will not control the opener
light when the door is in motion. When using the opener
lights as working lights, we recommend that you first disable
the motion sensor. See Automatic Light Feature, following.
To turn off: Press and hold the Lock button again for
2 seconds. The indicator light will stop flashing. Normal
operation will resume. The Lock feature will also turn off
whenever the Smart button on the opener end panel is
activated.
The 4-1/2 minute interval can be changed to 1-1/2, 2-1/2, or
3-1/2 minutes as follows: Press and hold the Lock button
until the light blinks (about 10 seconds).
TO OPEN THE DOOR MANUALLY
To open the door
manually: The door
should be fully closed if
possible. Pull down on the
manual release handle
and lift the door manually.
To reconnect the door to
the opener, press the
Door Control push bar.
The lockout feature prevents the
trolley from reconnecting automatically.
Pull the manual release handle down
and back (toward the opener). The
door can then be raised and lowered
manually as often as necessary. To
disengage the lockout feature, pull the
manual release handle straight down.
The trolley will reconnect on the next
UP or DOWN operation.
Trolley
Release Arm
Trolley
Release Arm
Trolley
Manual
Release Handle
(Pull Down & Back
Towards Opener)
Trolley
Manual
Release
Handle
NOTICE
NOTICE
(Pull Down)
Manual disconnect position
Lockout position
28
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Receiver and Remote Control Programming
NOTICE: To comply with FCC/IC rules, adjustment or modifications of this
receiver and/or transmitter are prohibited, except for changing the code
setting or replacing the battery. THERE ARE NO OTHER USER
SERVICEABLE PARTS.
WARNING
Children operating or playing with a garage
door opener can injure themselves or others.
The garage door could close and cause
serious injury or death. Do not allow children
to operate the Door Control or remote control
transmitter(s).
A moving garage door could injure or kill
someone under it. Activate the opener only
when you can see the door clearly, it is free of
obstructions, and is properly adjusted.
SECURITY✚
Your garage door opener receiver and remote control
transmitter have been set at the factory to a matching
code. The door will open when you press the LARGE
remote control push button.
Your SECURITY✚ opener will operate with:
• several SECURITY✚ remote controls utilizing up to 8
functions. NOTE: Open/Close/Stop operation counts
as 1 function.
Model 973LM
SECURITY✚ 3-Channel Remote Control
• one Keyless Entry System (with SECURITY✚ logo)
Follow the instructions below to program your opener to
match any additional remotes you may purchase. See
Accessories on page 34.
Select a
push button
To Add A Remote Control
Figure 1
1. Press and hold the selected remote control push
button. See Figure 1.
SECURITY✚
Garage Door Opener
2. Press and release the “Smart” (learn) button on the
right side of the opener (see Figure 2). The indicator
light on the panel will begin to blink and the opener
lights will flash once.
1
2
3
Figure 2
9
9
1
1
3. Release the remote push button.
7
7
3
3
5
5
KG
KG
Now the opener will operate when that remote control
button is pressed. Test it by pressing the remote button
to see that the door goes up and down.
"Smart" (learn)
Button
Indicator Light
RIGHT PANEL
1
2
3
Adding a remote can also be done from the door
control, as follows:
9
1
9
1
7
3
7
3
5
5
KG
KG
Code programming instructions
are also located
1. With the door closed, press and hold a remote push
button.
on the opener panel.
2. Press and hold the Light button on the door control.
3. Press and hold the door control push bar.
4. After the opener lights flash, release all buttons.
Test by pressing the remote push button.
Open/Close/Stop Operation
Your SECURITY✚ remote control can be programmed
to operate one door using all 3 buttons: the large button
will only open the door, the middle button will only close
the door, and the third button will stop the door’s
movement. You may set up this feature as follows:
To Erase All Remote Control Codes
Press and hold the “Smart” button on the opener panel
until the indicator light turns off (about 6 seconds). All
transmitter codes are now erased. Then follow the steps
above to re-program each remote control.
1. With the door closed, press and hold the
large remote push button.
2. Press and hold the Lock button
on the door control.
Open
Close
To Control the Opener Lights
3. Press and hold the door control
Stop
With SECURITY✚ transmitters, a remote push button
can be programmed to operate the opener lights without
opening the door.
push bar.
When the opener lights flash, release all buttons. Test
by pressing the large (Open) button on the remote. The
door should open. Press it again while the door is open
and nothing should happen. Press the middle (Close)
button and the door should close. Press the third (Stop)
button while the door is moving and it should stop
immediately.
1. With the door closed, press and hold the remote
button that you want to control the light.
2. Press and hold the Light button on the door control.
3. Press and hold the Lock button on the door control.
4. After the opener lights flash, release all buttons.
Model 976LMC SECURITY✚ Keyless Entry
Follow instructions on page 34 (Accessories).
Test by pressing the remote push button. The opener
lights should turn on or off but the door should not move.
29
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Having a Problem?
Situation
Probable Cause & Solution
1. Does the opener have electric power? Plug a lamp into the outlet. If it doesn't light,
check the fuse box or the circuit breaker. (Some outlets are controlled by a wall switch.)
2. Have you disabled all door locks? Review installation instruction warnings on page 7.
3. Is there a build-up of ice or snow under the door? The door may be frozen to the
ground. Remove any restriction.
The opener doesn't
operate from either
the Door Control or
the remote control:
4. The garage door spring may be broken. Have it replaced.
5. Repeated operation may have tripped the overload protector in the motor. Wait 15
minutes. Try again.
Opener operates from
the remote, but not
from Door Control:
1. Is the door control lit? If not, remove the bell wire from the opener terminals. Short the
red and white terminals by touching both terminals at the same time with a piece of
wire. If the opener runs, check for a faulty wire connection at the door control, a short
under the staples, or a broken wire.
2. Are the wiring connections correct? Review Step 6, page 14.
The door operates
from the Door
Control, but not from
the remote control:
1. Is the door push bar flashing? If your model has the Lock feature, turn it off.
2. Your opener needs to re-learn a remote control code. Refer to instructions on the
opener panel.
3. Program the receiver to match the remote control code.
4. Repeat the receiver programming procedure with all remote controls.
The remote control
has short range:
1. Change the location of the remote control in your car.
2. Check to be sure the antenna on the side or back panel of opener extends
fully downward.
3. Some installations may have shorter range due to a metal door, foil backed insulation,
or metal garage siding.
Opener noise is
disturbing in living
quarters of home:
If operational noise is a problem because of proximity of the opener to the living
quarters, the Vibration Isolator Kit 41A3263 can be installed. This kit was designed to
minimize vibration to the house and is easy to install.
The garage door
opens and closes
by itself:
1. Be sure that all remote control push buttons are off.
2. Remove the bell wire from the door control terminals and operate from the remote
only. If this solves the problem, the door control is faulty (replace), or there is an
intermittent short on the wire between the door control and the opener.
3. Clear memory and reprogram all remote controls.
The door doesn't
open completely:
1. If the door has been working properly but now doesn't open all the way, increase the
up force. See page 25.
2. Is something obstructing the door? Remove the obstruction or repair the door.
3. If door opens at least 5 feet, the travel limits may need to be increased. One turn
equals 2 inches of travel. See page 24.
Repeat the safety reverse test after the adjustment is complete.
The door stops but
doesn't close
completely:
Review the travel limits adjustment procedures on page 24.
Repeat the safety reverse test after any adjustment of door arm length, close
force or down limit.
30
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Having a Problem? (continued)
Situation
Probable Cause & Solution
The door opens but
won't close:
1. If the opener lights blink, check the safety reversing sensor. See page 19.
2. If the opener lights do not blink and it is a new installation, check the down force.
See Adjustment Step 2, page 25. For an existing installation, see below.
Repeat the safety reverse test after the adjustment is complete.
The door reverses for
no apparent reason
and opener lights
don't blink:
1. Is something obstructing the door? Pull the manual release handle. Operate the door
manually. If it is unbalanced or binding, call for professional garage door service.
2. Clear any ice or snow from the garage floor area where the door closes.
3. Review the force adjustment procedures on page 25.
4. If door reverses in the fully closed position, decrease the travel limits (page 24).
Repeat safety reverse test after adjustments to force or travel limits. The need for
occasional adjustment of the force and limit settings is normal. Weather
conditions in particular can affect door travel.
Check the safety reversing sensor. Remove any obstruction or align the receiving eye.
See page 19.
The door reverses for
no apparent reason
and opener lights
blink for 5 seconds
after reversing:
The opener lights:
. . . don't turn on:
Replace the light bulbs (75 watts maximum). Use a standard neck garage door opener
bulb if regular bulb burns out.
. . . don't turn off:
Is the Light feature on? Turn it off.
The door may be out of balance or the springs are broken. Close the door and use the
manual release to disconnect the trolley. Open and close the door manually. A properly
balanced door will stay in any point of travel while being supported entirely by its
springs. If it does not, disconnect the opener and call a professional garage door
serviceman. Do not increase the force to operate the opener.
The opener strains or
maximum force is
needed to operate
door:
The opener motor
hums briefly, then
won't work:
1. The garage door springs are broken. See above.
2. If the problem occurs on the first operation of the opener, door may be locked.
Disable the door lock. If the belt was removed and reinstalled, the motor may be out
of phase. Remove the belt; cycle the motor to the down position. Observe the drive
sprocket. When it turns in a clockwise direction and stops in the down position,
reinstall the belt.
Repeat the safety reverse test after the adjustment is complete.
The opener won't
operate due to
power failure:
1. Use the manual release to disconnect the trolley. The door can be opened and
closed manually. When the power is restored, press the Door Control push bar and
trolley will automatically reconnect (unless trolley is in lockout position.) See page 28.
2. The Outside Quick Release accessory (for use on garages with no service door)
disconnects the trolley from outside the garage in case of power failure.
31
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Repair Parts
Rail Assembly Parts
5
3
1
6
7
2
KEY
NO.
PART
NO.
4
DESCRIPTION
1
2
3
4
5
6
7
1A995
Master link kit
41A3588-1
41B3869-1
183B99
Belt pulley bracket
Complete trolley assembly
One-piece T-rail
41A3589-12
41B4103
109B33
Full belt assembly
Tensioner assembly
Trolley clip
Installation Parts
6
4
2
5
3
LOCK
1
LIGHT
NOTICE
KEY PART
8
NO.
NO.
DESCRIPTION
1
2
41C0472-3
41A5056-3
Motion detecting door control panel
3-channel remote control housing
(no circuit board)
CEILING MOUNT ONLY
UP
7
3
4
5
6
7
8
9
10A20
29B137
3V2032 Lithium battery
Transmitter visor clip
10
41A2828
217A238
41A5047-1
41A4353-1
41A5034
Manual release rope & handle assy.
2-conductor bell wire, white & white/red
Door bracket w/clevis pin & fastener
Header bracket w/clevis pin & fastener
Safety sensor kit
9
(receiving and sending eyes)
with 3' 2-conductor bell wire attached
Straight door arm section
Curved door arm section
Safety sensor brackets (2)
NOT SHOWN
11
10
11
12
178B34
178B35
41A5266-1
12
41A2770-5
114A2478
Installation hardware bag
(includes hardware listed on page 5).
Owner's manual
32
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Repair Parts
Opener Assembly Parts
1
2
4
9
7
3
5
6
8
8
10
11
20
12
18
19
5
3
9
13
15
17
14
(Down)
Contact
16
LIMIT SWITCH ASSY.
Brown
Wire
D N
Grey
Wire
U P
Drive
Gear
Center Limit
Contact
(Up)
Contact
Yellow
Wire
KEY PART
KEY
NO.
PART
NO.
NO.
NO.
DESCRIPTION
DESCRIPTION
1
2
41A4371
Belt cap retainer
10
11
12
13
30B363
12A373
41D3150
41C4842
Capacitor - 1/2HP
Capacitor bracket
41A4885-2
Gear and sprocket assembly
Complete with:
Spring washer
Thrust washer
Retaining ring
Bearing plate
Roll pins (2)
Drive gear and worm gear
Terminal block w/screws
Universal replacement motor &
bracket assembly
Complete with: Motor, worm,
bracket, bearing assembly, RPM
sensor
Helical gear w/retainer and grease
14
15
16
17
18
19
20
41A3583-7
41A2818
Cover
3
41A2817
Drive/worm gear kit w/grease
Roll pins (2)
Helical gear & retainer w/grease
Limit switch assembly
RPM sensor assembly
Shaft bearing kit
41D3452
41C4398A
41A2826-1
41A2822A
41A4889
4
5
6
41B4245
41C4876
Line cord
Wire harness assembly with plug
41A5021-5E Receiver logic board assembly
Complete with: Logic board,
End panel w/all labels
Interrupter cup assembly
End panel
NOT SHOWN
7
8
9
41A4888
4A1344
108D34
End panel w/all labels
Light socket
Lens
41A2825
Opener assembly hardware kit
(includes screws not designated
by a number in illustration).
33
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Accessories Available For Your Opener
Model 1702LMC Outside Quick Release:
Model 59LMC
Outside Keylock:
Required for a garage with NO
access door.
Opens the garage door
automatically from outside when
remote control is not handy.
Model 1778LMC
Model 1770LMC
8 foot Complete Rail:
Model 973LMC SECURITY✚ 3-Channel
Remote Control:
To allow an 8 foot door to
open fully.
Includes visor clip.
SECURITY✚ 4-Channel
Remote Control:
Model 974LMC
Model 970LMC
Model 98LMC
10 foot Complete Rail:
To allow a 10 foot door to
open fully.
Includes visor clip.
SECURITY✚ 3-Channel Mini
Remote Control:
Model 97LMC
Model 976LMC
Extension Brakcets:
(Optional) For safety sensor
installation onto the wall or floor.
With key ring and Velco fastening
strip.
Motion Detecting Door Control
Panel:
SECURITY✚ Keyless Entry:
Enables homeowner to operate
garage door opener from outside by
entering code on specially designed
keyboard. Also can add a temporary
pass code for visitors or service
persons. This temporary code can be
limited to a programmable number of
hours or entries.
Multi-function door control with
motion sensor that automatically
turns opener lights on for 5 minutes
when it detects a person entering
the garage. Sensor can be easily
deactivated when desired.
LOCK
LIGHT
To Add the Keyless Entry
We recommend that you program your code
before you install the Keyless Entry. You will not
need assistance, and you can test the reception at
the mounting location before installation.
You may also program the Keyless Entry from the
Multi-Function Door control, as follows:
1. With the door closed, enter the four digit code
desired, then press and hold Enter.
1. Choose a 4-digit code using numbers from 0 to 9
(a number can be used more than once, for
example, 4, 0, 4, 1).
2. Press and hold the light button on the door control.
3. Press and hold the door control push bar.
4. After the opener lights flash, release all buttons.
2. Press the four buttons for the code, then press and
hold the Enter button. The indicator light on the
door opener panel will blink.
3. Press and release the “Smart” (learn) button on
the opener panel. After the opener lights flash,
release the Enter button.
Test by pressing the the code, then press Enter. The
door should begin to move.
34
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Index
Access Door/Outside Quick Release Accessory..........................................................................................4, 34
Electrical Safety Warnings....................................................................................................................2, 7, 16, 27
Garage Door
Testing for balance, binding and sticking...................................................................................................3, 25, 27
Determining high point of travel:
Sectional Door ....................................................................................................................................................8
One-Piece Door..............................................................................................................................................8, 9
Disabling existing locks......................................................................................................................................3, 7
Force Controls
Adjustment Procedures ....................................................................................................................................25
Problems that might require Force adjustments.........................................................................................30, 31
Safety Warnings .........................................................................................................................................25, 27
Door hardware.......................................................................................................................3, 7, 8, 12, 14, 27, 28
Maintenance Instruction Label.........................................................................................................................7, 14
Reinforcement requirements .....................................................................................................................4, 20, 21
Removing of all ropes........................................................................................................................................3, 7
Possible door damage...........................................................................................................................3, 4, 12, 20
Travel Limits
Adjustment Procedures ....................................................................................................................................24
Problems that might require Limit adjustments...........................................................................................30, 31
Safety Warnings ...................................................................................................................................15, 27, 28
Manual Release Rope & Handle
Lockout Feature..................................................................................................................................................28
Manual Disconnect .......................................................................................................................................28, 31
Safety Warnings ...........................................................................................................................................24, 27
Opener Terminals
Door Control Connections ..................................................................................................................................14
Safety Reversing Sensor Connections...............................................................................................................19
Outside Keylock Accessory Connections ...........................................................................................................14
Protector System®..........................................................................................................................................17, 26
Receiver and Remote Controls
Programming the receiver ..................................................................................................................................29
Erasing all codes ................................................................................................................................................29
Safety warning....................................................................................................................................................29
Problems with transmitter operation ...................................................................................................................30
Safety Reverse Test Procedure..........................................................................................................................26
Testing required..................................................................................................................................7, 26, 30, 31
Safety Reverse System Problems
Securing header bracket to wall .........................................................................................................................8
Adjusting travel limits........................................................................................................................................24
Applying excessive force on the door...............................................................................................................25
Buckling or uneven floor ...............................................................................................................................4, 26
Safety Warnings.......................................................2, 3, 6, 7, 8, 12, 13, 14, 15, 16, 17, 20, 24, 25, 26, 27, 28, 29
User Instruction Label for garage wall ..........................................................................................................7, 14
Vibration Noise (isolator kit)...............................................................................................................................30
35
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LIFT-MASTER SERVICE
IS ON CALL
HOW TO ORDER
REPAIR PARTS
Selling prices will be furnished on request or parts will
be shipped at prevailing prices and you will be billed
accordingly.
OUR LARGE SERVICE ORGANIZATION
SPANS AMERICA AND CANADA
WHEN ORDERING REPAIR PARTS, ALWAYS GIVE
THE FOLLOWING INFORMATION:
INSTALLATION AND SERVICE INFORMATION IS AS
NEAR AS YOUR TELEPHONE SIX DAYS A WEEK.
SIMPLY DIAL OUR TOLL FREE NUMBER:
• PART NUMBER
• PART NAME
• MODEL NUMBER
1-800-654-4736
HOURS: (Central Std. Time)
6:00 A.M. TO 7:00 P.M. - Monday through Friday
8:00 A.M. TO 6:00 P.M. - Saturday
ADDRESS ORDERS TO:
THE CHAMBERLAIN GROUP, INC.
Parts and Service Department
2301 N. Forbes Boulevard, Suite 104
Tucson, Arizona 85745
For professional installation, parts and service,
contact your local LIFT-MASTER/ CHAMBERLAIN
dealer. Look for him in the Yellow Pages, or call our
Service number for a list of dealers in your area.
SERVICE INFORMATION
TOLL FREE NUMBER:
1-800-654-4736
LIFT-MASTER GARAGE DOOR OPENER FIVE-YEAR LIMITED WARRANTY
The Chamberlain Group, Inc. (“Seller”) warrants to the first retail purchaser of this product, for the residence in which this product is
originally installed, that it will be free from any defect in materials and/or workmanship for a period of five years from the date of purchase.
Additionally, the motor and belt are warranted for the lifetime of the product. The product must be used in complete accordance with
Chamberlain’s instructions for installation, operation and care. The proper operation of this product is dependent on your
compliance with the Owner’s Manual instructions regarding installation, operation, maintenance and testing. Failure to comply
strictly with those instructions will void this warranty in its entirety. Please note that the safety reverse system, in order to
operate properly with your garage door, must be adjusted and periodically tested in accordance with the Owner’s Manual.
If, during the limited warranty period, it appears as though this product contains a defect which is covered by this limited warranty,
CALL OUR TOLL FREE SERVICE NUMBER, BEFORE DISMANTLING THIS PRODUCT, AT (1-800-654-4736). Then send this
product, pre-paid and insured, to our service center for warranty repair. You will be advised of shipping instructions when you call the
toll free service number. Please include a brief description of the problem and a dated proof-of-purchase receipt with any product that
is returned for warranty repair.
Products returned to Seller for warranty repair, which upon receipt by Seller are confirmed to be defective and covered by this limited
warranty, will be repaired or replaced (at Seller’s sole option) at no cost to you and returned pre-paid. Defective parts will be repaired
or replaced with new or factory-rebuilt parts at Seller’s sole option.
THIS LIMITED WARRANTY IS IN LIEU OF ANY OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING ANY IMPLIED
WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, OR OTHERWISE, AND OF ANY OTHER
OBLIGATIONS OR LIABILITY ON SELLER’S PART. THIS LIMITED WARRANTY DOES NOT COVER NON-DEFECT DAMAGE,
DAMAGE CAUSED BY IMPROPER INSTALLATION, OPERATION OR CARE (INCLUDING, BUT NOT LIMITED TO ABUSE,
MISUSE, FAILURE TO PROVIDE REASONABLE AND NECESSARY MAINTENANCE, OR ANY ALTERATIONS TO THIS
PRODUCT), LABOR CHARGES FOR DISMANTLING OR REINSTALLING A REPAIRED OR REPLACED UNIT, REPLACEMENT
OF BATTERIES AND LIGHT BULBS, OR UNITS INSTALLED FOR NON-RESIDENTIAL USE.
THIS LIMITED WARRANTY DOES NOT COVER ANY PROBLEMS WITH, OR RELATING TO, THE GARAGE DOOR OR GARAGE
DOOR HARDWARE, INCLUDING BUT NOT LIMITED TO THE DOOR SPRINGS, DOOR ROLLERS, DOOR ALIGNMENT AND
HINGES. ANY SERVICE CALL THAT DETERMINES THE PROBLEM HAS BEEN CAUSED BY ANY OF THESE ITEMS COULD
RESULT IN A FEE TO YOU.
UNDER NO CIRCUMSTANCES SHALL SELLER BE LIABLE FOR CONSEQUENTIAL, INCIDENTAL OR SPECIAL DAMAGES
ARISING IN CONNECTION WITH THE USE OF, OR INABILITY TO USE, THIS PRODUCT. IN NO EVENT SHALL SELLER’S
LIABILITY FOR BREACH OF WARRANTY, BREACH OF CONTRACT, NEGLIGENCE OR STRICT LIABILITY EXCEED THE
COST OF THE PRODUCT COVERED HEREBY. NO PERSON IS AUTHORIZED TO ASSUME FOR US ANY OTHER LIABILITY IN
CONNECTION WITH THE SALE OF THIS PRODUCT.
Some provinces do not allow the exclusion or limitation of consequential, incidental or special damages, so the above limitation or exclusion
may not apply to you. This limited warranty gives you specific legal rights, and you may also have other rights which vary from province to
province.
© 2000, The Chamberlain Group, Inc.
114A2478
All Rights Reserved
Printed in Mexico
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