Troubleshooting; Problems And Remedies - Nilfisk-Advance RS 850 Instructions For Use Manual

TROUBLESHOOTING

The following table shows the most common problems that may arise when using the machine, the possible causes and the
suggested remedies to solve them.
WARNING!
The suggested remedies must be performed by qualifi ed personnel, according to the instructions shown in this
Manual, if present, otherwise contact a Nilfi sk Service Center, where it is possible to consult the Service Manual.
For explanation or information, contact a Nilfi sk Service Center.
For troubleshooting the following optional equipments, refer to the relevant Manuals:
– Salt spreader
– Snow brush
– Camera kit

PROBLEMS AND REMEDIES

Problem
BROOMS
The brooms do not clean correctly
The brooms do not rotate
3RD BROOM ARM
The 3rd broom arm swings
The 3rd broom arm does not shift sideways
3RD BROOM ARM
The 3rd broom arm does not lift/lower
INSTRUCTIONS FOR USE
Possible cause
The brooms are not adjusted correctly
The broom speed is not correct
The safety system stopped broom rotation
because the engine speed was excessive
Lack of tension in the solenoid valve
There are oil leaks from the hydraulic system
fi ttings/hoses
The motor is faulty
The accessory system pump does not
pressurize the oil in the circuit
Deactivated broom switch
The fuse is blown
The solenoid valve is burnt
The tensioning springs are not correctly
adjusted
The end-of-stroke sensors are not correctly
adjusted
Broken safety pin
Lack of tension in the solenoid valve
The control valve assembly is stuck
The cylinder gaskets are worn
The switch is deactivated
The fuse is blown
Open left/right shifting push-button
The relay is burnt
Burned solenoid valves
The control valve assembly is stuck
The cylinder gaskets are worn
The fuse is blown
Open lowering push-button
Open lifting push-button
The relay is burnt
The solenoid valve is burnt
RS 850
Adjust
Adjust the speed
Decrease engine speed
Check the electrical system
Repair/replace
Replace
Check the oil pressure in the hydraulic system
Activate
Replace
Replace
Adjust
Adjust
Replace
Check the electrical system
Repair
Overhaul the cylinder
Activate
Replace
Replace
Replace
Replace
Repair
Overhaul the cylinder
Replace
Replace
Replace
Replace
Replace
33015123(3)2008-02
ENGLISH
Remedy
43