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Troubleshooting Guide

35

SYMPTOM

CAUSE

SOLUTION

Circuit breaker on treadmill trips
when the power cord is plugged
into wall.

Circuit breaker on treadmill trips
when inputting speed and start-
ing.

A.  Damaged motor

B.  Damage or defective 

motor power supply 
board

C.  Damaged motor control 

circuit board

D.  Restricted belt or 

flywheel

E.  Treadbelt over tensioned

Service required

Service required

Service required

Check and remove 
obstruction or call dealer

See adjustments Page 8

Computer display LED’s do not
illuminate.

A. No power to treadmill

B. Circuit breaker trip

C. Upper wire harness not 

connected or complete

ly 

connected.

Restore power at electrical outlet
or reset circuit 
breaker if in “on/off” position.

Reset Circuit Breaker

Service required

Incline Motor and tread motor
will not turn on

A.  Upper wire harness not 

connected or completely 
connected

Service required

Incline motor does not 
operate but the treadbelt moves

A.  Incline wire harness

not connected

Service required

Scrambled digits on computer
LED’s

A.  Damaged E-Prom

B.  Damaged computer 

board

C.  Upper wire harness 

partially connected

Service required

Service required

Service required

Squeaking noise from motor
while using the treadmill

A.  Poly V-belt slipping

B.  Motor brush noise 

excessive

Service required

Service required

Summary of Contents for Z4

Page 1: ...Z4 Treadmill Owner s Manual RESIDENTIAL TREADMILL Manual Pre Program Heart Rate Control ...

Page 2: ...ntial and commercial treadmill line including innovative frame and suspension systems Intensive quality control standards guarantee excellence in every phase of production resulting in the finest treadmills available in the market place True treadmills are consistently rated 1 for their smooth quiet and comfortable performance Today True is the choice for workouts among beginners rehab patients an...

Page 3: ...ll Operation 10 11 Quick Reference Operating Instr 12 Manual Operation 13 Programmed Workouts 14 15 User Programs 16 Heart Rate Control workouts 17 20 Cruise Control 21 22 Important Points About Heart Rate Control 23 24 The F I T Formula 25 29 Beginning Your Exercise Program 30 32 Care and Maintenance 33 34 Troubleshooting Guide 35 Diagnostics 36 37 ...

Page 4: ...eft unattended when plugged in Unplug it from the outlet when not in use and before any service is performed Close supervision is necessary when this treadmill is being used by or near children invalids or disabled persons Use this treadmill only for its intended use as described in this manual Do not use attachments not recommended by the manufacturer Never operate this treadmill if it has a dama...

Page 5: ...ors only Never use your treadmill near water or while wet Using the treadmill around a pool hot tub or sauna will void the warranty Do not operate where aerosol spray products are being used or where oxygen is being administered Allow only trained personnel to service this equipment Keep the area under the treadmill free from obstruction as the deck will return to 0 grade when the safety key is pl...

Page 6: ... adjustments keep fingers loose clothing jewelry and long hair away from moving parts Setting Up Your Treadmill Place your treadmill on a clean level surface Make sure the electrical cord easily reaches a grounded three pronged outlet and has enough slack to allow the deck to incline without tightening the cord Do not allow the treadmill assembly to rest on the cord Although your treadmill is desi...

Page 7: ...not share the circuit with anything else Danger Do not use an extension cord or an ungrounded outlet The ground helps prevent electrical damage to your treadmill and enhances your safety by preventing shock Check with a qualified electrician or serviceman if you are in doubt as to whether the treadmill is properly grounded Do not modify the plug provided with the treadmill if it will not fit the o...

Page 8: ...screws 2 8 6mm x 15mm hex screws 4 9 handrail clamps 2 Step 1 Carefully unpack treadmill and check that all hardware is present as shown Step 2 Remove motor cover by taking out the six screws with Philips screwdriver Step 3 The upper wiring harness is tucked into the bottom of the right pedestal leg Lay the pedestal on the treadmill as shown on page 6 Assembly 5 ...

Page 9: ...leg support and out the bottom hole as shown Step 4 Tilt the pedestal up and slide it down the pedestal supports being careful not to pull out the upper wiring harness Plug the upper wiring harness into the motor controller Install the four 5mm x 15mm screws into the pedestal legs Assembly 6 ...

Page 10: ... of each handrail Install one 8mm x 50mm screw through the handrail clamp and into the bottom of the handrail as shown Tighten all pedestal and handrail screws Step 6 Reinstall the motor cover using the Philips screwdriver Place the safety key on the circle labeled Safety Key on the console Treadbelt Adjustment Your treadmill s running belt has been properly aligned at the factory However when the...

Page 11: ...elt alignment does not need to be perfect If more correction is needed turn the adjustment bolt 1 4 turn and check again Treadbelt Tension To assure maximum life of the treadbelt roller and drive motor make sure the treadbelt tension is set correctly Your treadbelt has been properly tensioned at the factory Turn both rear roller adjustment bolts counter clockwise until treadbelt just begins slippi...

Page 12: ...down 9 Safety Key Removable magnetic key must be in place for treadmill to operate Grade Up Down Stop Pause Speed Slow Fast Select Enter Adjusts incline Also Stops the belt and pauses Adjusts speed in 0 1 mph Accepts workout used to choose programs workout If held for 5 increments Also used to parameters and toggles and to set distance in seconds resets all work set weight and other the dual funct...

Page 13: ...egin setting up a different workout as described in later sections Stopping Your Treadmill Safely Slow the treadmill to below 2 mph using the key Press Setting Your Weight Your body weight must be entered so that the treadmill accurately estimates your calorie expenditure This weight must include your workout clothing too which typically adds about three pounds The treadmill will work fine without...

Page 14: ... a digital beats per minute bpm readout and it is very accurate typically within two beats per minute Your heart rate is good feedback on your effort level See the Target Heart Rate chart on page 29 for more information Although your treadmill functions fine without using the heart rate monitoring feature this kind of monitoring gives you valuable feedback on your effort level It also allows you t...

Page 15: ...you stand on or near the treadmill you will know the treadmill is properly receiving your heart rate signal by the flashing heart shaped METS LED beneath the Heart Rate window Once you start your workout your heart rate will be displayed in beats per minute Quick Reference Operating Instructions For a Manually Controlled Workout Press for a Quick Start The treadmill belt will start moving at 0 5 m...

Page 16: ...Time window If it is not adjust it with the keys and press Adjust speed using keys and adjust grade using keys To stop or pause your workout slow machine to below 2 mph by pressing then press This will stop the treadmill and save your workout information To restart your workout press To reset distance time and calories during your workout Press and hold until zeros appear in the time distance calo...

Page 17: ... down When the time or distance reaches zero the treadbelt will continue to move and whichever readout reached zero time or distance will begin counting up No other readouts will reset Programmed Workouts Confirm that the body weight setting is correct as displayed in the center window If it is not adjust it with the keys Press Press to select a program Select a level using Press After program and...

Page 18: ...change level or program during workout press and hold until program and level information shows in the Time window Press keys to change level keys to change program then press If a new program is selected it will join that program at the same point as the previously selected program Recall accumulated data at the end of your workout by press ing Note All workouts programs are able to be set from 1...

Page 19: ...You can save your workout in User 1 or press to select User 2 Press and hold to save the workout program you have selected To use a User Program that you have saved simply select it from the list of programs as described in Programmed Workouts in the previous section Heart Rate Control Workout True s patented heart rate control workout allows you to limit both speed and grade for your safety and c...

Page 20: ...d is attained followed by grade if grade is used in the workout To lower heart rate in the HRC mode grade will always decrease until zero grade is reached followed by speed if grade is used in the workout Speed changes are in 0 1 mph increments Grade changes are in 0 5 grade increments This is equal to between 0 10 and 0 15 METs NOTE The heart rate control workout stores your workout parameters on...

Page 21: ... to scroll through the workout setup parameters You can press at any time to accept the current parameters and begin your workout Note Hitting any other key will exit HRC mode You can adjust your target heart rate at any time during your workout by pressing using the keys as needed and pressing again If you are lowering your target you are limited to a 5 bpm change The Three Stages of a Heart Rate...

Page 22: ...e without overshooting your target NOTE Warming up too fast may cause you to overshoot your target If this occurs it may take several minutes before the computer software can control your heart rate You may overshoot and undershoot your target for several minutes until stable control is achieved Heart Rate Control Stage When your heart rate is 10 beats away from your target the computer software t...

Page 23: ...de The time will reset to 00 00 and begin to ascend You will be in complete control of all speed and grade changes It is recommended that you spend an equal amount of time in the cool down stage as you did in the warm up stage or a minimum of at least two minutes Press when you are finished Note Workout totals of time distance calories and average heart rate will appear in message at the end of yo...

Page 24: ...rget heart rate press Edit the target using and press You can only edit 5 beats going down Pressing will start a Heart Rate Control Program with the displayed value as your target heart rate How Cruise Control Determines How to Change Your Exercise Intensity If you enter the HRC stage below 5 mph the speed you enter will be the maximum speed of your workout i e If you like to walk at a maximum spe...

Page 25: ...ter HRC at 4 2 mph and 6 grade to allow a maximum speed of 4 2 mph and 10 grade Examples of Running Workouts 1 Enter HRC at 6 mph and 0 grade to allow a maximum of 7 mph and 0 grade 2 Enter HRC at 5 mph and 2 grade to allow a maximum of 6 mph and 6 grade Examples of How HRC Can Work For You Example 1 A user who physically cannot walk over 2 5 mph can safely use heart rate control by entering maxim...

Page 26: ... workout if desired If the transmitter strap is adjusted or moved while exercising communication may be temporarily affected If communication is lost for 30 seconds the treadmill will automatically shut off The transmitter strap emits a fairly weak radio signal to the treadmill so interference from other radio and sound waves including everything from cordless telephones to loudspeakers is possibl...

Page 27: ... reduce your heart rate If your heart rate exceeds your target by 20 beats the unit will automatically shut off as a precautionary measure Be cautious when selecting your target heart rate so the 20 beat variance will not exceed your maximum heart rate as determined by your physician How Target Heart Rate Works The user first sets their personal maximums for both speed and grade This allows the us...

Page 28: ...ituation where workload needs to be increased in order to elevate the heart rate the speed will be increased first in 1 10 mph increments If needed the speed will continue to increase up to the pre set maximum If the user still requires additional workload to raise the heart rate the grade will be raised in 5 increments up to the maximum pre set grade unless zero grade was entered Conversely whene...

Page 29: ...ise to help your body adapt to new levels of exertion without unnecessary strain If you are just beginning an exercise program you may be most comfortable walking at a speed of 1 2 mph As you use your treadmill regularly higher speeds may be more comfortable and more effective Inability to maintain a smooth rhythmic motion suggests that your speed and or elevation may be too great If you feel out ...

Page 30: ...vity has an equivalent of 6 METs its energy demands are 6 times that of your resting state The MET is a useful measurement because it accounts for differences in body weight Time How Long You Exercise Sustained exercise conditions your heart lungs and muscles The longer you are able to sustain exercise within your target heart range the greater the aerobic benefits To begin maintain two to three m...

Page 31: ... 2 4 5 4 7 5 0 5 3 5 6 5 8 3 3 3 3 7 4 1 4 5 5 0 5 4 5 8 6 2 6 6 7 0 7 4 7 8 8 3 4 5 6 6 0 6 4 6 8 7 2 7 7 8 1 8 5 8 9 9 3 9 7 10 1 10 6 5 8 7 9 0 9 3 9 7 10 0 10 4 10 7 11 1 11 4 11 8 12 1 12 4 12 8 6 10 2 10 6 11 0 11 4 11 8 12 3 12 7 13 1 13 5 13 9 14 3 14 7 15 2 7 11 7 12 2 12 7 13 2 13 6 14 1 14 6 15 1 15 6 16 1 16 5 17 0 17 5 8 13 3 13 8 14 4 14 9 15 5 16 0 16 6 17 1 17 7 18 2 18 8 19 3 19 9...

Page 32: ...ram As you gradually progress you can increase your target to 75 percent According to the AHA Exercise above 75 percent of the maximum heart rate may be too strenuous unless you are in excellent physical condition Exercise below 60 percent gives your heart and lungs little conditioning In addition to monitoring your heart rate as you exercise be certain of how quickly your heart rate recovers If y...

Page 33: ... and breath more deeply Warming up prepares your heart and other muscles for more intense exercise and helps you avoid premature exhaustion Begin each workout by walking even if you plan to run Start slowly exploring different speeds until you can comfortably sustain your speed A good suggestion is a minimum of three minutes Perspiration on your brow is a good indicator of a thorough warm up The o...

Page 34: ...he habit of exercising Try to reach and maintain 60 65 percent of your maximum heart rate Alternate exercise with periods of rest until you can sustain 12 continuous minutes of exercise at 60 65 percent of your maximum heart rate Begin exercising in three to five minute sessions Establishing Aerobic Fitness If you can sustain 12 but not 20 continuous minutes of exercise in your target heart rate z...

Page 35: ...ring your percentage of body fat If weight loss is a goal combine an increase in the length of your workouts with a moderate decrease in caloric intake For weight control how long and how often you exercise is more important than how hard you exercise Exercise four to five times a week Try to reach and maintain 60 75 percent of your maximum heart rate with moderate exercise Exercise for 30 45 minu...

Page 36: ...ightness in your chest an irregular heartbeat shortness of breath or if you feel faint or have any discomfort when you exercise stop Consult your physician before continuing Remember every workout should begin with a warm up and finish with a cool down Care and Maintenance Your True treadmill is constructed of quality materials and manufactured to provide many years of faithful service Simple rout...

Page 37: ...mpened soft cloth Be careful not to get excessive moisture between the edge of the overlay panel and the console as this might create an electrical hazard or cause the electronics to fail Important do not clean or wipe under the running belt Monthly Clean dust and dirt that might accumulate under and behind your treadmill once a month Small rubber particles from the soles of walking shoes will acc...

Page 38: ...ircuit breaker trip C Upper wire harness not connected or completely connected Restore power at electrical outlet or reset circuit breaker if in on off position Reset Circuit Breaker Service required Incline Motor and tread motor will not turn on A Upper wire harness not connected or completely connected Service required Incline motor does not operate but the treadbelt moves A Incline wire harness...

Page 39: ...r B Rear roller not adjusted for sloped floor Move treadmill to even surface Refer to Owner s Manual to adjust belt Treadmill trips household circuit breaker A Defective breaker B Circuit too small C Circuit over loaded Replace breaker Use 20 amp circuit Remove the other electrical appliances on same circuit Treadbelt feels unsmooth jerks intermittently A Object between belt and deck B Object unde...

Page 40: ...5 SENSOR This message is displayed when there is no speed feedback Diagnostics Service Messages The following service messages will be displayed as they occur as well as for the subsequent six safety key insertions These messages will be displayed until a key is pressed Every time these messages are displayed an audible beep will sound twice S1 LUBE This message is displayed when lubrication of th...

Page 41: ...Founded 1981 865 Hoff Road O Fallon MO 63366 1 800 426 6570 www truefitness com 2005 TRUE FITNESS TECHNOLOGY INC TRUE is a registered trademark of TRUE FITNESS Specifications subject to change Rev 6 05 ...

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