Solution System 110Service Manual – SC500
Troubleshooting
Trouble Possible Causes Remedy
Small amount of solution or no solution
reaches the brush
The solution lter is clogged/dirty Clean the lter
Solution supply valve locked in (semi) closed position Replace the valve
Solenoid valve (EV1) broken or electrical connection
interrupted
Replace the solenoid valve/repair
the electrical connection
Presence of debris in detergent solution tank blocking the
outlet hole
Clean the tank
Presence of debris in the detergent solution hose,
blocking the passage of the liquid
Clean the hoses
Function Board (EB1) faulty Replace
Display Board (EB2) faulty Replace
Dashboard instrument board (EB3) faulty Replace
The solution reaches the brush also
when the machine is off
Presence of dirt or scale in solenoid valve (EV1) Clean the solenoid valve
Solenoid valve (EV1) broken Replace the solenoid valve
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