Scrub System, Right Side 157
Service Manual – SC8000
Troubleshooting
General Troubleshooting
Problem
Cause
Correction
The side scrub
brush will not extend
downward, the side
scrub brush motor
will not operate and
there is no solution
flow.
Note that a fault
code 08, 16 or 18
will disable the side
scrub system.
Right Scrub System not
installed
Make sure the side scrub system is installed in the
Configuration Menu. (Refer to the
Control System/
Control Board (Driver Box) Programming
Options/Configuration Menu
subsection.)
Right side scrub solution
solenoid valve over current
(fault code 08 displayed)
•
Check L11 solenoid coil wiring for problems
(+ ORN and - BLU/YEL).
•
Check coil resistance. If less than 10 ohms,
replace. Also see main scrub and right side scrub
solution valves and pump electrical ladder detail.
Right side scrub/sweep
motor solenoid valve over
current (fault code 16
displayed)
•
Check L8 solenoid coil wiring for problems (+ ORN
and - BLK/WHT).
•
Check coil resistance. If less than 6 ohms, replace.
Also see main scrub on and side sweep/right
scrub electrical ladder detail.
Right Side scrub lift solenoid
over current (fault code 18
displayed)
•
Check L9 solenoid coil wiring for problems (+ ORN
and - GRN/VIO).
•
Check coil resistance. If less than 6 ohms, replace.
Also see main scrub and right side scrub lift
electrical ladder detail.
