Error 25 - Lower Drive Hardware Error; Error 27 - Too Much Drive Motor Current - Precor TRM 885.v2 Service Manual

2. Test the drive motor per procedure,
System, starting with step 4.
3. Test the Motor Controller per procedure,
System, steps 1 thru 3.
4.
5.
Error 25 – Lower Drive Hardware Error
MCL – Yellow
ASL – Yellow Solid
Description.
The Control Module monitors the functionality of the module, and in the event of a module failure
an Error 25 will be generated, and the treadmill will not work.
Possible Causes
1. Control Module Hardware fault.
Possible Remedies
1. Check the error log, if there are multiple instances of this error, replace the module.
2. If there is only one Error 25, cycle power to the module once. If it does not recover, replace
the module.

Error 27 - Too Much Drive Motor Current

MCL – Green
ASL – Yellow Solid
Description
The Motor Controller monitors the amount of current being delivered to the drive motor. The
software sets a maximum amount of allowable drive motor current. This error indicates that
maximum drive motor current has been reached.
Possible Causes
1. The running belt and/or running bed are badly worn.
2. The motor is faulty
Possible Remedies
1. Check the belt rating – replace belt and deck as necessary. See BELT Rating XX to
determine if the belt needs replacing.
2. Test the drive motor per procedure,
System, starting with step 4.
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Troubleshooting the 3 Phase AC Drive Motor
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