Troubleshooting; Problems And Remedies - Nilfisk Advance RS 500 Instructions D'utilisation

TROUBLESHOOTING

The following table shows the most common problems that may arise during the use of the machine, the possible causes and
the suggested remedies to solve them.
WARNING!
The suggested remedies must be performed by qualified personnel, according to the instructions of this
Manual, if present, otherwise contact a Nilfisk-Advance Service Center, where it is possible to consult the
Service Manual.
For explanation or information, contact a Nilfisk-Advance Service Center.

PROBLEMS AND REMEDIES

Problem
BROOMS
The brooms do not clean correctly
The brooms do not rotate
SUCTION FAN
The suction fan is noisy
The suction fan rotates but suction is not
efficient
The suction fan does not rotate
SUCTION INLET AND SKIRT
The suction inlet does not collect debris
efficiently
The suction inlet does not lift
The suction inlet does not lower
The skirt opening force is not sufficient
The skirt does not open/close
33015122(1)2006-02
Possible cause
The brooms are not adjusted correctly
Broom speed is not correct
Oil leaks from the hydraulic system
fittings/hoses
Hydraulic motor failure
The accessory hydraulic pump does not
pressurize the oil in the circuit
Not-lubricated fan bearings
Worn fan bearings
Hydraulic motor failure
Clogged dust filters
Clogged suction pipe
Cut/torn suction pipe
Broken or wrongly positioned gasket between
the suction inlet and the hopper
Lack of pressure in the suction fan motor
drive pump
Locked distributor
Motor failure
Pump failure
The suction fan is not engaged
Suction inlet incorrectly positioned
Locked distributor
Worn cylinder gaskets
Lack of pressure in the hydraulic system
Lack of pressure in the parachute valve
Incorrect skirt opening pressure
Deactivated switch
Burned solenoid valve
INSTRUCTIONS FOR USE
Adjust
Adjust the speed
Repair/replace
Replace
Check the oil pressure in the hydraulic
system
Lubricate
Replace
Repair
Clean
Clean
Replace
Replace/adjust
Adjust the pump pressure
Repair
Replace
Replace
Engage the suction fan
Check the suction inlet and skirt height and
operation
Repair
Overhaul the cylinder
Check the pump pressure
Check the suction fan distributor pressure
Adjust the opening pressure
Activate
Replace
Remedy
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