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.
