Keys Fitness Treadmill DCV320 User Manual

DISCOVERY 320 TREADMILL  
OWNERS MANUAL  
Model Name DCV320  
Serial Number  
Purchase Date  
Write down for future reference.  
Keys Technical Service, (888) 340-0482  
KEYS  
Fitness Products, LP  
P.O. Box 551239  
Dallas, TX 75239-1239  
Part# 15-0145  
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Specification Sheet  
3
Horsepower (Peak)  
3.5hp  
1.75hp  
4 Window LCD  
Push button  
3
Horsepower (Continuous)  
Display Type  
Electronics  
Pre-Set Programs  
Custom Programs  
Speed/ Incline Toggle Switches  
Power Incline  
6
Yes  
0-12%  
2.5”  
Roller Diameter  
Cushioned Deck  
Speed Range  
Yes  
.6-10mph  
20 x 56”  
Yes  
Belt Size  
Side Hand Rails  
Foot Print  
29 x 62”  
29 x 29”  
10 Years  
2 Years  
1 Year  
Folded Foot Print  
Warranty Motor  
Warranty Parts  
Warranty Labor  
Warranty Frame  
Lifetime  
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Important Safety Information  
4
WARNING! Before using this treadmill or starting any exercise program, consult your physician.  
This is especially important for persons over the age of 35 and/ or persons with pre-existing health  
problems. The manufacturer or distributor assumes no responsibility for personal injury or  
property damage sustained by or through the use of this product.  
WARNING! To reduce the risk of electrical shock, burns, fire, or other possible injuries to the user, it  
is important to review this manual and the following precautions before operation.  
SAFETY PRECAUTIONS AND TIPS  
!It is the owners responsibility to ensure that all users of this treadmill have read the Owners Manual  
and are familiar with warnings and safety precautions.  
!This treadmill has a user maximum capacity of 275 pounds.  
!The treadmill should only be used on a level surface and is intended for indoor use only. The tread-  
mill should not be placed in a garage, patio, or near water and should never be used while you are  
wet. KEYS recommends a treadmill mat be placed under the treadmill to protect floor or carpet and  
for easier cleaning.  
!Follow safety information in regards to plugging in your treadmill. Keep the power cord away from  
the incline wheels and do not run the power cord underneath your treadmill. Do not operate the  
treadmill with a damaged or frayed power cord.  
!Wear comfortable, good-quality walking or running shoes and appropriate clothing. Do not use the  
treadmill with bare feet, sandals, socks or stockings.  
!Always straddle the belt and allow it to start moving before stepping onto the belt.  
!Hold on to handrails when adjusting speed, incline, or other controls.  
!Always examine your treadmill before using to ensure all parts are in working order.  
!Allow the belt to fully stop before dismounting.  
!Pets should never be allowed near or on the treadmill.  
!Do not leave children unsupervised near or on the treadmill.  
!Never operate the treadmill where oxygen is being administered, or where aerosol products are being  
used.  
!Never insert any object or body parts into any opening.  
!For safety and to prevent damage to your treadmill, no more than one person should use the tread-  
mill at a time.  
!Always unplug the treadmill before cleaning and/ or servicing. Service to your treadmill should only  
be performed by an authorized service representative, unless authorized and/ or instructed by the  
manufacturer  
!Failure to follow these instructions will void the treadmill warranty.  
!Never leave the treadmill unattended while it is running  
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Before You Start  
5
Thank you for purchasing the DISCOVERY 320 treadmill! This quality product you have chosen was  
designed to meet your needs for cardiovascular exercise.  
Before you start, please read the Owner's Manual and become familiar with the operation of your new  
treadmill.  
Remember to take the time to perform the stretching exercises provided to avoid injury.  
!Do not stand on the walking belt while pressing the Power button or Start/ Stop button.  
!Always adjust the speed of the treadmill in small increments as this treadmill is capable of high  
speeds.  
!If you are taking medication, consult your physician to see if the medication will affect your exercise  
heart rate.  
!If you have heart problems, you are not active, and/ or are over the age of 35 years, do not use the  
pre-set treadmill programs or start an exercise program without first contacting and receiving approval  
from your physician.  
!To avoid the risk of electrical shock, always keep the console dry. Do not spill liquids on the console.  
KEYS recommends a sealed water bottle for beverages consumed while using the treadmill.  
!Please review the following drawing below to familiarize yourself with the listed parts. This  
manual covers several treadmills, so the one pictured below may not be identical to your par-  
ticular model  
READING RACK  
CONSOLE  
ELECTRONIC DISPLAY  
WATER BOTTLE  
HOLDER  
SIDE HAND RAILS  
(WATER BOTTLE NOT INCLUDED)  
UPRIGHTS  
FRONT HAND RAIL  
MOTOR COVER  
WALKING BELT  
CIRCUIT BREAKER  
REAR ROLLER  
ADJUSTMENT BOLTS  
WHEEL  
FOOT RAILS  
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Warm Up Exercises  
6
EXERCISE GUIDELINES  
WARNING! Before beginning this or any exercise program, you should consult your physician. This is  
especially important for individuals over the age of 35 or individuals with pre-existing health problems.  
Warming up prepares the body for the exercise by increasing circulation, supplying more oxygen to the  
muscles and raising body temperature. Begin each workout with 5 to 10 minutes of stretching and light  
exercise to warm up. The photos on this page show several forms of basic stretching you may perform  
before your workouts. In order to achieve an adequate warm-up, perform each stretch three times.  
TOE TOUCH STRETCH  
Stand bending your knees slightly and slowly bend forward from your hips. Allow your  
back and shoulders to relax as you reach down toward your toes as far as possible.  
Hold for 15 counts, then relax. This will stretch your hamstrings, back of knees, and  
back.  
HAMSTRING STRETCH  
Sit with one leg extended. Bring the sole of the opposite foot  
toward you and rest it against the inner thigh of your extended leg.  
Reach toward your toes as far as possible. Hold for 15 counts,  
then relax. This will stretch your hamstrings, lower back, and  
groin.  
CALF/ ACHILLES STRETCH  
With one leg in front of the other, reach forward and place your hands against a wall.  
Keep your back leg straight and your back foot flat on the floor. Bend your front leg,  
lean forward and move your hips toward the wall. Hold for 15 counts, then relax. To  
cause further stretching of the Achilles tendon, bend your back leg as well. This will  
stretch your calves, Achilles tendons, and ankles.  
QUADRICEPS STRETCH  
With one hand against a wall for balance, reach back and grasp one foot with your  
other hand. Bring your heel as close to your buttocks as possible. Hold for 15  
counts, then relax. This will stretch your quadriceps and hip muscles.  
INNER THIGH STRETCH  
Sit with the soles of your feet together and your knees outward. Pull your feet  
toward your groin area as far as possible. Hold for 15 counts, then relax. This  
will stretch your quadriceps and hip muscles.  
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Assembly, Moving Instructions  
7
The DISCOVERY 320 is shipped in two pieces, please see assembly instructions below. After opening the  
box, remove any packing materials from the treadmill. Do not throw away any packing materials until the unit  
is working properly. Place the base on a clean, level surface. Make sure the electrical cord will easily reach an  
electrical outlet.  
Assembly  
See Figure 1  
To attach End cap:  
1. Place plastic end cap over exposed rear roller area.  
2. Align holes in plastic end cap with pre-drilled holes in frame.  
3 Loosely tighten each screw until all four screws are lined up.  
4. Tighten all four screws snugly.  
Moving  
See Figure 2  
CAUTION! TO AVOID THE RISK OF INJURY, NEVER ATTEMPT TO MOVE THE TREADMILL  
WHILE IT IS IN THE UNFOLDED OPERATING POSITION. TO REDUCE THE POSSIBILITY OF  
INJURY WHILE LIFTING, BEND YOUR LEGS AND KEEP YOUR BACK STRAIGHT. AS YOU  
RAISE THE TREADMILL, LIFT USING YOUR LEGS, NOT YOUR BACK. IN ORDER TO RAISE  
OR LOWER THE TREADMILL SAFELY, YOU MUST BE ABLE TO LIFT 45 POUNDS (20KG). IT IS  
SUGGESTED YOU ALWAYS USE THE AID OF A SECOND PERSON WHEN MOVING THE  
TREADMILL.  
With the treadmill in the folded locked position (safety latch is engaged), grasp the handrails and place one foot on the base as  
shown in the photo below. Next, with a firm grasp on handrails, place one foot on the center of the base crossbar and careful-  
ly tilt the treadmill back until it rolls freely on the wheels. Using extreme caution, move the treadmill to the desired location.  
To set the treadmill down, place one foot on the center of the base crossbar and carefully lower treadmill onto base in resting  
position. Do not attempt to move the treadmill over an uneven or rough surface.  
Figure 1  
Figure 1  
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Power Requirements  
8
IMPROPER CONNECTION OF THE EQUIPMENT GROUNDING CONNECTOR CAN  
RESULT IN A RISK OF AN ELECTRIC SHOCK. CHECK WITH A QUALIFIED ELEC-  
TRICIAN OR SERVICE MAN IF YOU ARE IN DOUBT AS TO WHETHER THE PROD-  
UCT IS PROPERLY GROUNDED. DO NOT MODIFY THE PLUG PROVIDED WITH  
THE PRODUCT IF IT WILL NOT FIT THE OUTLET. HAVE A PROPER OUTLET  
INSTALLED BY A QUALIFIED ELECTRICIAN.  
This treadmill can be seriously damaged by sudden voltage changes in your homes electrical power.  
Voltage spikes, surges, and noise interference can result from weather conditions or from other appliances  
being turned on or off. To reduce the possibility of treadmill damage, always use a surge protector (not  
included) with your treadmill.  
Surge protectors can be purchased at most hardware stores. The manufacturer recommends a single out-  
let surge protector with UL 1449 rating as a Transient Voltage Surge Suppressor (TVSS) with UL sup-  
pressed voltage rating of 400V or less and an electrical rating of 120VAC, 15 amps.  
This treadmill must be grounded to reduce the risk of electrical shock. Grounding provides a path of  
least resistance for electric current should the treadmill malfunction. This treadmill comes with an electri-  
cal cord with an equipment-grounding conductor and a grounding plug. Always plug the power cord into  
a surge protector, and plug the surge protector into an appropriate outlet that is properly installed and  
grounded in accordance with all local codes and ordinances.  
This product is for use on a nominal 120-volt circuit and has a grounding plug that looks like the plug  
illustrated in the drawing below.  
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Console Functions and Descriptions  
9
There are four display windows on the control panel to provide feedback information.  
TIME WINDOW  
! TIME: Indicates elapsed time after pressing start in minutes and seconds (0-99 minutes, 0-59 sec-  
onds)  
! INTERVAL TIME: Indicates countdown in seconds to the next interval starting at 5 seconds and  
counting to 0 seconds  
SPEED WINDOW  
! SPEED: Indicates MPH (miles per hour) or KMH (kilometer per hour) in .1 increments  
DISTANCE / CALORIES WINDOW  
! DISTANCE: Indicates Miles or Kilometers traveled in .01 increments up to 9.99 and .1 increments  
starting at 10.0  
! CALORIES: Indicates estimated calories used based on 150 lb. person at the indicated speed,  
incline, and time  
INCLINE WINDOW  
! INCLINE: Indicates incline in percent of grade 0-12% in 0.5 increments  
TIME WINDOW  
SPEED WINDOW  
CALORIE/ DISTANCE WINDOW  
INCLINE WINDOW  
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Program and Operating Instructions  
10  
QUICK START / MANUAL MODE  
! Plug into a surge protector outlet. Attach the Red Safety Key on to the treadmill console.  
! Stand on the treadmill and straddle belt. Attach safety key clip to your clothes.  
! Press POWER button. There will be an eight (8) second delay after pressing the POWER button  
before data can be entered. The TIME window will flash.  
! Press START/ STOP button. Belt will begin to move after 4 seconds. Step on belt slowly after the  
belt starts moving. Speed or incline may be adjusted by using the appropriate + (increase) or –  
(decrease) button.  
! To end your workout, press START/ STOP button. Belt will gradually slow to zero.  
! To pause your workout, press PAUSE.  
! To re-start after pausing: Press the PAUSE button. WARNING: THE TREADMILL BELT  
WILL RESUME AT THE SPEED THE TREADMILL WAS MOVING BEFORE  
PAUSING.  
! Countdown Time, Preset Speed and/ or Incline: Time, Speed, and Incline may be preset prior to get-  
ting started. After pressing the POWER button, the time window will blink. Use the SPEED + or –  
arrows to select your workout time, then press the ENTER PROGRAM button. The SPEED win-  
dow will now be flashing. Using the same + or – arrows, select the speed for your workout, then  
press ENTER PROGRAM. Now the INCLINE window will be flashing. Use the INCLINE + or –  
arrows to set your workout incline, then press ENTER PROGRAM. To start, press the  
START/ STOP button.  
ENTER  
PAUSE  
INCLINE  
SPEED/ TIME  
POWER  
STOP/ START  
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Program and Operating Instructions  
11  
PROGRAM MODE  
Plug treadmill into a surge protector outlet. Attach the Red Safety Key on to the treadmill console.  
! Stand on the treadmill and straddle belt. Attach safety key clip to your clothes.  
! Press POWER button. There will be an eight (8) second delay before data can be entered. The  
TIME window will flash.  
! There are three (3) pre-set and eight (6) custom pre-set programs on the DCV320. The treadmill  
includes FAT BURN, CARDIO, and WARM-UP programs. To Select the program press the  
MODE button until desired program is illuminated on console display.  
! Press START/ STOP button. Belt will begin to move after 4 seconds. Step on belt slowly after the  
belt starts moving.  
!
CUSTOMIZING PROGRAMS in P1 and P2 Mode: Each pre-set program(Fat Burn, Cardio, and  
Warm-up) can be customized in the P1 or P2 mode. After making the program selection, the  
CAL/ DIST window will read “OP”. The “OP” refers to “original program” and is preset. The pro-  
gram name you select will illuminate on the console display. Press the MODE button once more and  
the CAL/ DIST window will read P1. The “P1” mode is now accessed. You can now program the  
Time, Speed, and Incline in P1 mode, which will be saved for future workouts.  
1) The TIME window will blink. Use the SPEED + or – arrows to select your workout time. Press  
ENTER PROGRAM.  
2) The SPEED window will then blink. Use the same + or – arrows to select the speed for your  
workout. Press ENTER PROGRAM.  
3) The INCLINE window will then blink. Use the INCLINE + or – arrows to set your workout  
incline. Press ENTER PROGRAM.  
To start, press the START/ STOP button. To access P2 mode, press the MODE button for desired  
program, then press the MODE button again (once for OP, twice for P1, three times for P2). Follow  
the above steps 1-3 to customize P2 settings.  
TO CHANGE A PREVIOUSLY PROGRAMMED P1, P2, or user program: Once you have  
programmed the P1 or P2 modes, you will need to use the PAUSE button to change the program  
you previously entered. For instance to change to a new setting in P1-FAT BURN, press the FAT  
BURN button twice to access P1. Then press the PAUSE button to get the WORKOUT TIME win-  
dow to flash. Follow the directions above to continue to change the program.  
!
ENTER  
MODE  
PAUSE  
POWER  
INCLINE  
SPEED  
START/ STOP  
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Program Profiles  
12  
SPEED  
SPEED  
12  
INCLINE  
12  
11  
10  
9
8
7
6
5
4
3
INCLINE  
11  
10  
9
8
7
6
5
4
3
2
1
2
1
1 2 3 4 5 6 7 8 9 1 0  
1 2 3 4 5 6 7 8 9 1 0  
The Fat Burn Program is  
designed to vary the treadmill  
elevation, while maintaining a  
constant walking belt speed.  
The Cardio Program is designed  
to vary the treadmill Speed, while  
maintaining a constant Elevation.  
12  
11  
SPEED  
10  
9
8
7
6
5
4
3
2
1
INCLINE  
1 2 3 4 5 6 7 8 9 1 0  
The Warm Up Program is designed to gradually  
increase the treadmill Speed and Elevation in the first  
segment (warm up) and gradually decrease the treadmill  
Speed and Elevation in the last segment (cool down).  
This is also known as a Plateau program.  
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Belt Adjustment and Tension  
13  
WARNING! Do not over-tighten rollers! This will cause premature  
roller bearing failure!  
Belt adjustment and tension performs two functions: adjust-  
ment for tension and centering. Your new treadmill comes pre-  
adjusted from the factory for tension and centering. Please fol-  
low the procedures below if the belt shifts to the left or right  
while walking:  
WALKING BELT IS SHIFTING TO THE LEFT (Diagram 1
First, turn treadmill on to run at 1 mph. Using the hex key provide
turn the left rear roller adjustment bolt ¼ turn in the clockwise dir
Next, run the treadmill at 2.5 mph. You should see the belt start to
itself by moving back towards the center. Repeat the above procedure until  
the walking belt is centered. It may be necessary to set walking belt tension  
once you have completed this procedure if the belt feels like it is slipping  
while walking. Refer below to the “Walking Belt Slipping” instructions.  
WALKING BELT IS SHIFTING TO THE RIGHT (Diagram 2
First, turn the treadmill on to run at 1 mph. Using the hex key provi
ed, turn the right rear roller adjustment bolt ¼ turn in the clockwise  
direction. Next, run the treadmill at 2.5 mph. You should see the  
belt start to correct itself, moving back towards the center. Repeat  
the above procedure until the walking belt is centered. It may be  
necessary to set walking belt tension once you have completed this  
procedure if the belt feels like it is slipping while walking. Refer belo
the “Walking Belt Slipping” instructions.  
WALKING BELT IS SLIPPING DURING USE (Diagram 3)  
First, unplug the power cord from the surge protector. Using the hex key  
provided, turn both left and right rear roller adjustment bolts the same dis-  
tance, usually a ¼ turn in the clockwise direction. Plug the power cord back  
into the surge protector and run the treadmill at 2.5 mph. You  
should now walk on the belt to determine if the belt is still  
slipping. Repeat the above procedure until the walking belt is  
not slipping. The tension should be just tight enough not to  
slip.  
! Turning the hex key counter clockwise brings the rear rollers
belt towards you.  
! Turning the hex key clockwise pushes the rear roller and belt  
away form you.  
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Change Miles per hour to Kilometers per hour  
14  
Your treadmill will operate in British Units (miles per hour) or International Units (kilometers per hour).  
All treadmills are calibrated at the factory for British Units (miles per hour). To change the display to  
read in kilometers, follow the steps described here:  
1) Turn power OFF on the console. (Do not unplug treadmill) Attach the magnet safety key to the con-  
sole.  
2) Activate the calibration mode switch by inserting the eraser end of a pencil into the opening in the  
backside of the console (see diagram below).  
3) Depressing the calibration mode switch ONCE; CL11 should appear in the TIME window.  
4) Pressing the SPEED +/ - button will activate your choice.  
5) To accept the setting, press the POWER button.  
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Maintenance Instructions  
15  
WARNING! Before performing any maintenance to your treadmill, always unplug the power cord from  
the surge protector.  
CLEANING  
Routine cleaning of your Keys Fitness treadmill will extend the life of your treadmill. WARNING! To  
prevent electrical shock, be sure the power to the treadmill is OFF and the unit unplugged from the wall  
electrical outlet before attempting any cleaning or maintenance.  
AFTER EACH WORKOUT: Wipe off the console and other treadmill surfaces with a clean, water  
dampened soft cloth to remove excess perspiration. USE NO CHEMICALS.  
WEEKLY: Use of a treadmill mat is recommended for ease of cleaning. Dirt from your shoes contacts  
the belt and eventually makes it to underneath the treadmill. Vacuum underneath treadmill once a week.  
DECK LUBRICATION  
The walking belt has been pre-lubricated at the factory. However, it is recommended that the walking  
board be checked periodically for lubrication to ensure optimal treadmill performance.  
Every 30 days or 30 hours of operation, lift the sides of the walking belt and feel the top surface of the  
walking board as far under as you can reach. If you feel signs of silicone, no further lubrication is  
required. If it feels dry to the touch, follow the instructions below.  
KEYS recommends “Lube N Walk” for cleaning and lubricating the treadmill belt and deck. Ask your  
retailer or call KEYS at 800-340-0482. You may also use silicone such as “Napa 8300” (available at most  
stores).  
TO APPLY LUBRICANT TO THE WALKING BOARD  
1) Position the walking belt so that the seam is located on top and in the center of the center of the walk-  
ing board.  
2) Insert the spray nozzle into the spray head of the lubricant can.  
3) While lifting the side of the walking belt, position the spray nozzle between the walking belt and the  
board approximately 6” from the front of the treadmill. Apply the silicone spray to the walking board,  
moving from the front of the treadmill to the rear. Repeat this on the other side of the belt. Spray  
approximately 4 seconds on each side.  
4) Allow the silicone to set’ for one minute before using the treadmill.  
WARNING: Do not over-lubricate the walking board. Excess lubricant should be wiped off with a clean  
towel.  
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Troubleshooting Guide  
16  
Treadmill will not start.  
1 Is the Safety Key inserted into the treadmill Console?  
2 Make sure the power cord is plugged into a surge protector, the surge protector is plugged into a  
properly grounded outlet, and the surge protector is turned on. (Refer to “Power Requirements” on  
page 8)  
3 Check the circuit breaker located on the front of the treadmill. If the switch protrudes, it has  
tripped. Wait five minutes and then press the switch back in.  
4 Check the house electrical breaker box and the circuit breaker for the room where the treadmill is  
located. If it has tripped, reset or have an electrician replace the breaker in home.  
5 Have an electrician check for inadequate voltage at the outlet.  
Treadmill loses power during use.  
1 Check the circuit breaker located on the front of the treadmill. If the switch protrudes, it has  
tripped. Wait five minutes and then press the switch back in.  
2 Check the house electrical breaker box and the circuit breaker for the room where the treadmill is  
located. If it has tripped, reset or have an electrician replace the breaker in home.  
3 If the treadmill still will not operate, please call Keys Technical Service at (888) 340-0482.  
Treadmill walking belt slows during use.  
1 Check to make sure the treadmill is securely plugged into an UL-listed surge protector, rated at 15  
amps, with a 14-gauge cord of five feet or less and the surge protector is securely plugged into the  
outlet.  
2 If treadmill still will not operate, please call Keys Technical Service at (888) 340-0482.  
Treadmill walking belt slips or is not centered on rear roller.  
1 Refer to “Belt Adjustment and Tension” section on page 13.  
2 Need help? Call Keys Technical Service at (888) 340-0482.  
Treadmill Error Messages.  
Your treadmill is equipped with a software package that enables error messages to be displayed when  
there is a problem. To avoid possible damage to the treadmill and the possibility of injury, do  
not operate the treadmill until the problem is corrected. Call Keys Technical Service at (888)  
340-0482. Or see page 17 of this Owners Manual.  
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17  
Error Messages  
Treadmill Error Messages.  
Your treadmill is equipped with a software package that enables error messages to be displayed  
when there is a problem. The following error codes will be displayed in the console display win-  
dows.  
Safety Interlock Error Messages  
SI 1 - Safety key missing, replace and try again.  
SI 2 - Over voltage protection trip. Notify Keys Fitness Technical Service.  
SI 3 - Tilt Switch Trip. Notify Keys Fitness Technical Service.  
Other Error Messages  
E11 - Lack of speed feedback data from belt motor. Attempt re-calibration. See Calibration  
Sequence section for detailed information.  
E22 - Under Speed condition detected from the belt motor. Attempt re-calibration. See Calibration  
Sequence section for detailed information.  
E33 - Over Speed condition detected from the belt motor. Attempt re-calibration. See Calibration  
Sequence section for detailed information.  
To avoid possible damage to the treadmill and the possibility of injury, do not operate the  
treadmill until the problem is corrected. Call Keys Technical Service at (888) 340-0482.  
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Calibration Sequence  
18  
Our treadmill is equipped with a software package that will perform a calibration sequence unique to  
your specific model number. Please perform the following steps to calibrate the KEYS DISCOVERY  
320 TREADMILL.  
1. Unplug power cord from outlet strip.  
2. Attach Safety Key to console.  
3. Plug power cord into outlet strip.  
4. Initiate calibration sequence. Locate hole on the back of the console and insert the eraser end of a  
pencil through the hole and press the calibration switch twice. As show on page 14.  
5. CL21 should appear in the Time window, if not, continue to press the calibration switch until CL21  
appears.  
Note: During the calibration sequence, the Time window will display which step you are at in the  
process (C21, C22, C23 and so on). The CAL/ DIST window will display which key should be entered  
next. For example, “E” for Enter, “P” for Power, or “SS” for Start / Stop.  
6. CL21: MPH or KPH will be flashing in the Speed window, pressing the Speed +/ - button will toggle  
options. Choose MPH (KPH), press Enter.  
7. CL22: 8, 10, or 12 (13, 16, or 20 in KPH mode) will be displayed in the Speed window, pressing the  
Speed +/ - button will toggle options. Choose 10 (or 16 for KPH mode), press Enter.  
8. CL23: FFF, UUU, or HHH will be displayed in the Speed window, pressing the Speed +/ - button  
will toggle options. Choose UUU, press Enter.  
9. CL24: 111 or 222 will be displayed in the Speed window, pressing the Speed +/ - button will toggle  
options. Choose 111, press Enter.  
10. CL25: AL1 or AL2 will be displayed in the Speed window, pressing the Speed +/ - button will tog-  
gle options. Choose AL2, press Enter.  
11. CL26: OPA or OPI will be displayed in the Speed window, pressing the Speed +/ - button will tog-  
gle options. Choose OPA, press Enter.  
12. CL27: Blank (nothing), “a”, “b”, “c”, or “d” will be displayed in the Incline window, pressing the  
Speed +/ - button will toggle options. Choose Blank, press Enter.  
13. CAL/ DIST window will display “E, Press Enter. “55” will display in CAL/ DIST window.  
14. Press Start/ Stop.  
15. At this time, make sure you are not standing on the walking belt, as the machine will automatically  
initiate belt movement and run through a complete calibration and diagnostic routine.  
Press Enter, belt will begin to move, unit will begin self-calibration.  
16. When Speed and Incline calibration has finished, press Power button twice, display should blank,  
and treadmill should be ready for use.  
To avoid possible damage to the treadmill and the possibility of injury, do not  
operate the treadmill until the problem is corrected. Call Keys Technical Service  
at (888) 340-0482.  
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Parts & Diagrams  
19  
Part #  
1
2
3
4
5
6
7
8
Left Side Extrusion Rail  
Right Side Extrusion Rail  
Treadmill Belt  
Front Roller Assembly  
Rear Roller  
Treadmill Deck  
End Cap (L/ R)  
Elevation Motor (actuator)  
Bottom Motor Pan  
Small Fan  
Motor  
Poly V Belt  
Motor Hood Cover Top  
Hand Grips  
Console Assembly  
Motor Controller  
05-0041  
05-0041  
04-0027  
24-0176  
09-0020  
03-0014  
06-0159  
12-0045  
06-0156  
06-0080  
12-0023  
04-0004  
06-0157  
21-0059  
24-0247  
08-0051  
9
10  
11  
12  
13  
14  
15&16  
17  
Please review the following drawing below to familiarize yourself with the listed parts. This man-  
ual covers several treadmills, so the one pictured below may not be identical to your particular  
model.  
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Keys DISCOVERY 320 Treadmill KEYS FITNESS PRODUCTS, LP – LIMITED WARRANTY  
PLEASE CONSULT YOUR PHYSICIAN BEFORE USING THIS PRODUCT.  
This Limited Warranty applies in the United States and Canada to products manufactured or distributed by Keys Fitness Products,  
LP (“Keys”) under the KEYS brand name. The warranty period on the DCV320 to the original purchaser is (lifetime) on the frame, (10) years  
on the motor, (2) years parts, and (1) year labor.  
Keys warrants that the Product you have purchased for non-commercial, personal, family, or household use from Keys or from an authorized Keys reseller is  
free from defects in materials or workmanship under normal use during the warranty period. Your sales receipt, showing the date of purchase of the Product, is your proof  
of the date of purchase. This warranty only extends to you, the original purchaser. It is not transferable to anyone who subsequently purchases the Product from you. It  
excludes expendable parts. This Limited Warranty becomes VALID ONLY if the treadmill is assembled/installed by a Keys Fitness authorized dealer/technician unless oth-  
erwise authorized by Keys Fitness in writing (if anyone other than a Keys Fitness authorized dealer/technician assembles a Keys Fitness treadmill the warranty will be void  
unless accompanied by written authorization by Keys Fitness).  
During the warranty period Keys will at no additional charge, repair or replace (at Keys’ option) the product if it becomes defective, malfunctions, or otherwise fails to con-  
form with this Limited Warranty under normal non-commercial, personal, family or household use. In repairing the Product, Keys may replace defective parts, or at the  
option of Keys, serviceable used parts that are equivalent to new parts in performance. All exchanged parts and Products replaced under this warranty will become the  
property of Keys. Keys reserves the right to change manufacturers of any part to cover any existing warranty.  
To obtain warranty service, you must contact a Keys authorized service technician or Keys Fitness at our phone numbers located in this manual. Any parts  
determined to be defective must be returned to Keys to obtain warranty service. You must prepay any shipping charges, export taxes, custom duties and taxes, or any  
other charges associated with transportation of the parts or Product. In addition, you are responsible for insuring any parts or Product shipped or returned. You assume the  
risk of loss during shipment. You must present Keys with proof-of-purchase documents (including the date of purchase). Any evidence of alteration, erasing or forgery of  
proof-of-purchase documents will be cause to void this Limited Warranty.  
This warranty does not extend to any product not purchased from Keys or from an authorized Keys reseller. This Limited Warranty does not extend to any  
Product that has been damaged or rendered defective; (a) as a result of accident, misuse, or abuse; (b) by the use of parts not manufactured or sold by Keys; (c) by modifi-  
cation of the Product or normal wear and tear; (d) operation on incorrect power supplies; or (e) as a result of service by anyone other than Keys, or an authorized Keys war-  
ranty service provider. Product on which the serial number has been defaced or removed is not eligible for warranty service. Should any Product be submitted for warranty  
service be found ineligible therefore, an estimate of repair cost will furnished and the repair will be made if requested by you upon Keys’ receipt of payment or acceptable  
arrangements for payment.  
EXCEPT AS EXPRESSLY SET FORTH IN THIS WARRANTY, KEYS MAKES NO OTHER WARRANTIES, EXPRESSED OR IMPLIED, INCLUDING  
ANY IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. KEYS EXPRESSLY DISCLAIMS ALL WAR-  
RANTIES NOT STATED IN THIS LIMITED WARRANTY. ANY IMPLIED WARRANTIES THAT MAY BE IMPOSED BY LAW ARE LIMITED TO THE  
TERMS OF THIS LIMITED WARRANTY. NEITHER KEYS NOR ANY OF ITS AFFILIATES SHALL BE RESPONSIBLE FOR INCIDENTAL OR CON-  
SEQUENTIAL DAMAGES. SOME STATES DO NOT ALLOW LIMITATIONS ON HOW LONG AN IMPLIED WARRANTY LASTS OR THE EXCLUSION  
OR LIMITATION OF INCIDENTAL OR CONSEQUENTIAL DAMAGES, SO THE ABOVE LIMITATIONS OR EXCLUSION MAY NOT APPLY TO YOU.  
This Limited Warranty gives you specific legal rights and you may also have other rights that may vary from state to state. This is the  
only express warranty applicable to Keys-branded products. Keys neither assumes nor authorizes anyone to assume for it any other  
express warranty.  
PLEASE SEND IN THE ATTACHED WARRANTY CARD WITHIN TEN (10) DAYS OF PURCHASE TO REGISTER YOUR TREAD-  
MILL WITH KEYS FITNESS PRODUCTS, LP. MADE IN THE USA. Thank you for your business! PLEASE MAIL WARRANTY  
CARD TO: KEYS FITNESS PRODUCTS, PO BOX 551239, DALLAS, TX 75355. Or online at www.keysfitness.com  
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