Drive Motor System Troubleshooting - Precor Experience 700 Series Service Manual

Drive Motor System Troubleshooting

About
This procedure applies to 3-phase drive motor systems. Occasionally, there may be issues
or failures of the drive system that do not generate error codes. This procedure provides
additional information to troubleshoot and repair these types of issues.
If there is a Drive Motor system error code from 20 through 29 in the error log, go to the Error
Code Troubleshooting Guide, see the
ing and repair information.
If there are no errors in the error log and there are Drive Motor system related issues (such
as failure to start or jittery motion) then continue with troubleshooting procedure.
Related Error Codes
Drive system error codes: 20 through 29, refer to the
RELATED
ERROR CODE
20 Motor Will Not Start / No Motor Movement Detected
21 too Many Maximum Consecutive Power Requests
22 Error 22 indicates that the drive motor has been instructed to start, by
either manual or program control, and the monitoring system has not
received any response from the speed sensing system indicating that
the drive motor has started.
23 Error 23 indicates that the speed sensor signal was lost while the tread-
mill was in operation.
25 Motor Controller /
26 Error 26 monitors the speed sensor signal and verifies the speed
sensor signal is appropriate for the requested speed. If the speed
sensor signal is incorrect or erratic an Error 26 will be displayed.
27 motor current too high)
28 Electronics Temperature Too High
29 Excessive
1
Lower Printed Circuit Assembly board; also refered to as the Lower PCA or simply as the
lower board. On treadmills, it is the console to base function interface and the motor con-
troller unit (MCU). On self-powered units, it is the lower PCA console to base function inter-
face.
2
Alternating Current: electric current which periodically reverses direction between positive
and negative polarity.
Contact Precor Customer Support at support@precor.com or 800.786.8404 with
any questions.
Error Code Troubleshooting
DESCRIPTION
1
LPCA Hardware Error
2
AC Input Current
System Troubleshooting Procedures
Guide, for Troubleshoot-
Error Code Troubleshooting
7 Troubleshooting
Guide.
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