True Fitness 350-750 - Manual (Page 15)

Symptom Probable Cause Corrective Action Recommended Tools
CIRCUIT
BREAKER
TRIPS
Possible short in
treadmill wiring.
Motor issues.
Incline motor
drawing treadmill
down
Bad PWM
Too much tension
on belt or
obstruction under
belt.
Weakened circuit
breaker or High
belt/deck friction
• Power off the treadmill and inspect all
wiring for shorts or burned areas.
• Secure all connectors.
--------
• Disconnect motor leads from the PWM.
Power on treadmill, press start. If the
breaker does not trip check the motor
brushes and perform the motor test
procedure (page 22).
• Reconnect motor to the PWM, if the
breaker trips- replace the motor.
--------
• Unplug incline motor.
• Power on treadmill, if breaker does not
trip- replace incline motor.
--------
• Unplug PWM, power on machine. If
breaker doesn’t trip- replace PWM.
--------
• Check for correct tension adjustment
(page 22)
• Check for obstruction- remove
obstruction.
--------
• Perform AC Amp Draw Test (page 20)
at circuit breaker.
• If draw is less than 15 amps
continuously - replace breaker.
• Perform Amp Draw test (page 20) If
Amp draw is higher than recommended
try push test (page 24) procedure.
Allen Key set
Needle nose pliers
Socket set
Multi-meter
Note:
All trouble
shooting should
be performed in
calibration
mode.
Page 16
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