Nilfisk RS 502 Betriebsanleitung Seite 156

ENGLISH
Problem
Hopper and hopper door
The hopper does not lift/dump
The hopper does not return to horizontal posi-
tion/lower
The hopper door does not open/close
The door opening warning light is not working
Dust control system nozzles
No water from the nozzles
No water to the nozzles
The water pump does not stop
44
USER MANUAL
The pressure is insuffi cient
The distributor is stuck
The cylinder gaskets are worn
The actuator is faulty
The engine is not running
The F3.8 fuse is blown
The K3 engine running relay is damaged/discon-
nected
The engine speed sensor is damaged/discon-
nected
Enabling from display is not present/damaged/
disconnected
The safety electronic board is damaged/discon-
nected
The F3.5 safety electronic board fuse is open
The switch is damaged/disconnected
The machine is not in neutral/the sensors are
faulty
The sensor on the door is damaged/disconnected
The engine is not running
Enabling from display is not present/damaged/
disconnected
The F3.8 fuse is blown
The K3 engine running relay is damaged/discon-
nected
The engine speed sensor is damaged/discon-
nected
Out of water
The pump is not turned on
The water fi lter is clogged
The nozzles are clogged
The K6 water pump relay is burnt
The F3.4 fuse is blown
The engine is not running
Enabling from display is not present/damaged/
disconnected
The engine speed sensor is damaged/discon-
nected
The pump is not operating
The water pump switch is turned off/damaged
The F3.5 safety electronic board fuse is open
The water pump relay is shorted
The fl oat is stuck
Enabling from display is shorted
The water pump switch has a welded contact
33019741(2)2009-12 A
Possible cause
RS 502
Remedy
Increase the pressure
Repair
Overhaul the cylinders
Replace
Start the engine
Replace
Replace/connect
Replace/connect
Replace/connect
Replace/connect
Replace
Replace/connect
Release the drive pedal/replace
Replace/connect
Start the engine
Replace/connect
Replace
Replace/connect
Replace/connect
Fill the tank
Turn on the pump
Clean/replace
Clean
Replace
Replace
Start the engine
Replace/connect
Replace/connect
Repair/replace
Turn on
Replace
Replace
Repair
Reset
Replace