Incline Lift System Troubleshooting
The incline Lift system consists of an AC
1
voltage driven lift motor (120 Vac or 240 Vac) and
an internal 1 K ohm potentiometer for lift position monitoring.
The first step in troubleshooting the lift system is to review the error log for any lift system error
codes. Then determine whether the problem is related to a lift movement issue or a lift position
sensor issue. If the lift does not move, then the problem is most likely related to defective lift
motor windings or the MC
2
lift motor control circuitry. if the issue is with the lift platform pos-
ition, then most likely the issue is due to a defective lift position sensor potentiometer.
Use the lift motor related error codes 40 thru 45 to help isolate and repair the fault.
Related Error Codes
RELATED
ERROR CODE DESCRIPTION
40 No Lift Motion Detected
42 Lift Position Out Of Range
44 Un-commanded Lift Motion
45 Lift Moving In the Wrong Direction
Troubleshooting Procedure
Error code events are generated when the lift system has been commanded to move and no
and/or incorrect lift motion has been detected.
Review the machine Error Log or CPA
3
Event Log and note any lift system related error codes
(codes 40 thru 45). Then use the
Error Code and Troubleshooting Guide
to learn about these
error codes and procedures to troubleshoot and repair the issue, see Error Code
Troubleshooting Guide.
Operating the lift motor for troubleshooting
In normal operating mode, the treadmill requires the running belt to be moving to operate the
lift. Therefore, it is recommended to operate the lift motor from the service Hardware Val-
idation > Machine Test > Incline Test diagnostic test (see "Hardware Validation Diagnostics
Tests Menu (51765761)" on page30) .
1
Alternating Current: electric current which periodically reverses direction between positive
and negative polarity.
2
Motor controller or motor controller module
3
Touchscreen console Control Processing Assembly.
Contact Precor Customer Support at support@precor.com or 800.786.8404 with
any questions.
Page 205
7 Troubleshooting
System Troubleshooting Procedures
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