Troubleshooting Guide; No Power; No Incline - Life Fitness T3 Service Manual

Life Fitness T-Series Consumer Treadmills

TROUBLESHOOTING GUIDE

Malfunction

No Power.

No incline.

2
Probable Cause
On/Off switch.
Insufficient power source.
Damaged line cord.
Line cord improperly seated in
socket.
Home switch disconnected or
damaged.
Section 1
Corrective Action
Turn the switch to the ON position.
Plug treadmill into a dedicated circuit.
Using a voltmeter, verify power at outlet.
Verify/Reset 15 amp circuit breaker.
Verify line voltage at P5 on motor controller
pins 1 and 2.
If yes, verify 8 VDC at P1 pins 7 and 8, and
8VDC at P1 pin 6.
If voltage is present, verify continuity and
voltage at the console end of the main cable, If
8VDC is present, replace display console PCB.
If 8 VDC at P1 pins 7 and 8, and 8VDC at P1
pin 6 of the motor controller is not present,
replace motor controller.
Replace line cord.
Inspect power connection at wall outlet and at
machine for proper contact.
Test in Diagnostics. See Motor Test Mode in
Section 2.
Verify key pad function in diagnostics.
Test lift motor function in diagnostics.
Verify P4 Connector, Pin 2 has AC voltage.
Verify P4 Connector, Pins 1 and 2 have line
current when declining.
Verify P4 Connector, Pins 1 and 3 have line
current when inclining. If voltages are present,
replace lift motor.