Friday, March 15, 2013

LIFE FITNESS 3500 TREADMILL ERRORS



                   LIFE FITNESS 3500 TREADMILL ERRORS
1. Belt Error
Probable Cause
(A) Interruption or spike in power.
B) Poor connection or damaged power cord.
C) On/Off switch is bad.
D) Motor controller is bad.
Corrective Action
A) Reset power to the unit at the On/Off switch.
B) Inspect power cord and repair if damaged or replace any poor connections.
C) Replace the On/Off switch.
D) Test unit with a known good motor controller. Replace motor controller if necessary.
2. No ZX Error
Probable Cause
A) Damaged cable.
B) Display console is bad.
C) Heatsink control board is bad.
Corrective Action
A) Inspect all cables for damage or crimping. Repair or replace any crimped or damaged cables.
B) Test unit with known good display console. Replace console if necessary.
C) Test unit with known good heatsink control board. Replace heatsink control board if necessary.
3. Run Error
Probable Cause
A) Belt suddenly stopped after movement.
B) Poor connection of opto (speed) sensor.
C) Opto (speed) sensor is out of adjustment.
Inspect for any obstruction that could cause belt to stop. Reset power to the unit at the On/Off switch.
B) Inspect cable and connection of opto (speed) sensor. Repair and replace damaged cable or connection of the opto(speed) sensor.
C) Inspect alignment of the opto (speed) sensor. Sensor should be centered evenly over its target. Adjust or replace opto (speed) sensor if necessary.
4. Speed Error
Probable Cause
A) User is pushing belt faster than speed is set (more common when unit is elevated).
B) Heatsink control board is bad.
Corrective Action
A) Check for presence of error when unit is at 0% elevation. If error is not present at 0% elevation, instruct user on proper use of treadmill.
B) Test unit with a known good heatsink control board. Replace heatsink control board if necessary.
5.Start Error
Probable Cause
A) Poor connection of opto (speed) sensor.
B) Opto (speed) sensor is out of adjustment or bad.

Corrective Action

A) Inspect cable and connection of opto (speed) sensor. Repair and replace damaged cable or connection of the opto(speed) sensor.

B) Inspect alignment of opto (speed) sensor. Sensor should be centered evenly over target. Adjust or replace opto (speed) sensor if necessary.