158
Service Manual – SC500
34 - Scrub System, REV
Troubleshooting
Trouble
Possible Causes
Remedy
The brush does not clean
properly
The brush is excessively worn
Replace
The brush does not turn
See the chapter Control
System, Main machine
controller (EB1) Error Codes
Brush motor fuse (F4) broken
Replace
REV motor carbon brushes worn
Replace
Faulty REV motor
Repair or replace
Wiring damaged
Repair
It is not possible to raise/lower
the brush
See the chapter Control
System, Main machine
controller (EB1) Error Codes
Deck raising/lowering actuator (M5) broken
Replace
Break in actuator wiring
Check the connections
according to the instructions
in the Electrical System
chapter, Troubleshooting
paragraph
Main machine controller (EB1) damaged
Replace
The deck is transmitting too much
vibration to the machine
Deck vibration dampers worn.
Replace.