Incline System Troubleshooting
The incline system consists of an AC
1
line voltage driven lift motor (120 VAC
2
or 240 VAC),
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
3
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 to
the circuit can damage the multimeter.
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 ) to
verify lift operation.
See Also
"System Troubleshooting Procedures" on page 99
1
Alternating Current: electric current which periodically reverses direction between positive
and negative polarity.
2
voltage in an alternating current circuit
3
Direct Current: electrical current that only flows in one direction.
Contact Precor Customer Support at support@precor.com or 800.786.8404 with
any questions.
Page 115
7 Troubleshooting
System Troubleshooting Procedures
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