DETERGENT SUPPLY SYSTEM
ENGLISH
SERVICE MANUAL
12
9098840000
SC350
TROUBLESHOOTING
Small amount of solution or no solution reaches the brush
Possible causes:
The solution tank valve is clogged/dirty or broken (clean or replace).
1.
The solenoid valve (EV) is broken or there is an open in the electrical connection (replace the solenoid valve/repair the
2.
electrical connection).
There is debris in the solution tank clogging the output hole (clean the tank).
3.
There is debris in the solution hoses and/or reducer clogging the flow (clean the hose).
4.
The solution reaches the brush also when the machine is off
Possible causes:
There is dirt or calcium deposit on the solenoid valve gasket (clean).
1.
The solenoid valve is broken (replace).
2.
WIRING DIAGRAM
P100421
