Advance acoustic ADVANCE RS 501, Руководство по обслуживанию

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ENGLISH SERVICE MANUAL
44 33019746(2)2010-03 RS 501
IMPIANTO IDRICO
TROUBLESHOOTING
No water from the nozzles
Possible causes:
The water fi lter is clogged (clean/replace). 1.
The nozzles are clogged (clean). 2.
Run out of water (fi ll in). 3.
The water pump is off (press the switch to turn it on). 4.
No water to the nozzles
Possible causes:
The water pump relay is burned (replace). 1.
The pump does not work (repair/replace). 2.
There is an open in the fuse (replace). 3.
The engine is off (start the engine). 4.
The display enabling is not present (check the connections/replace). 5.
The speed sensor signal is not present (check the connections/replace). 6.
The water pump does not work (replace). 7.
The water pump is off (press the switch to turn it on). 8.
The safety control unit fuse is open (replace). 9.
The water pump does not stop
Possible causes:
The water pump relay is faulty (replace). 1.
The water tank level sensor is stuck (replace). 2.
The display enabling is short circuited (check the connections/replace). 3.
The water pump switch is damaged (replace). 4.
The high-pressure washing system water pump stops automatically
Possible causes:
The water level in the dust control system tanks is low (fi ll-in). 1.
The water tank level sensor is short-circuited (replace). 2.
The high-pressure pump safety valve is faulty (replace). 3.
The high-pressure washing system water pump does not stop automatically when the water level is low
Possible causes:
The water tank level sensor is open (replace). 1.
The high-pressure pump safety valve is faulty (replace). 2.