Scrub System, Disc - Cable Version 78Service Manual – SC450
Troubleshooting
Trouble Possible Causes Remedy
The brush does not clean properly The brush is excessively worn Replace
One brush does not turn The motor carbon brushes are worn Replace
The motor is faulty Check the motor amperage/replace
There are ropes or debris restraining the brush rotation Remove and clean
The motor electromagnetic switch (ES1) is damaged Replace
The brush motor electromagnetic switch wiring harness
is damaged
Repair
The brush motor electromagnetic switch wiring harness
is damaged
Repair