Incline System Troubleshooting
The incline system consists of an AC line voltage driven lift motor (120VAC or 240VAC), and
an internal 1 K W (Ohms) potentiometer for lift position monitoring. It is important when you
start to troubleshoot the lift system to determine if the problem is due to an inability to move the
lift, or an inability to monitor the lift position.
Related Error Codes
Incline system error codes: 40 through 45.
Refer to the Error Code Troubleshooting Guide for error code description and troubleshooting
information.
Procedure
Determine whether you need to troubleshoot the AC voltages going to the motor windings, or
if you need to troubleshoot the DC voltages and/or ohm readings from the potentiometer. The
error log will help determine which is causing the issue.
Check the error log for INCLINE system error codes, press and hold the reset key for at least 6
seconds to access the error log.
If there is an error code for a lift system error logged (Error 40 through 45), go to the Error
Code Troubleshooting Guide and follow the troubleshooting information.
CAUTION: All resistance measurements must be performed with power removed
from the machine. Performing the resistance measurements with voltage applied
tho the circuit can damage the muftimeter.
Operation of lift motor for testing:
Most Precor treadmills require the running belt to be moving to operate the lift. For this reason
it is recommended that the servicer use the "Hardware Validation" - Machine Tests (see "Hard-
ware Validation - Diagnostic Tests (51765761)" on page13) to verify lift operation.
See Also
"System Troubleshooting Procedures" on page74
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6Troubleshooting
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