Nilfisk Advance RS 501 Manuel D'utilisation page 103

Problem
BRAKE SYSTEM
The machine brake system is not efficient
The parking brake is not efficient
STABILITY
When the machine moves the stability is
reduced
WHEELS
The rear wheels are noisy
DRIVE POWER
The machine drive power is reduced
The machine has no drive power
DRIVE PEDAL
The machine moves even if the drive pedal is
released
CAB HEATING
There is no hot air
CAB CLIMATE CONTROL SYSTEM
There is no fresh air
DIESEL ENGINE
When turning the ignition key, the engine does
not start
NOTE: For diesel engine complete troubleshooting, see the relevant Manual.
33015501(2)2006-10 A
All manuals and user guides at all-guides.com
Possible cause
Lack of brake fluid
Worn or greasy braking masses
Air in the system
Drum brake cylinder failure
Brake fluid pump failure
Misadjusted brake
Incorrect tyre inflation
Worn wheel bearings
Faulty drive pedal
Open by-pass
Drive system pump power decrease
The drive system motors are worn
The drive system pump deactivation screw
for machine pushing/towing is unscrewed
Hydraulic system oil leaks
The drive system pump is broken
The drive system motor is broken
The drive pedal is misadjusted
The tap or the hot water feed hoses are
broken
Water leaks from the heater
Deactivated switch
Blown fuse
The compressor does not turn because the
drive belt is loosen/broken
System gas leaks
Expansion valve failure
Deactivated switch
Blown fuse
Open gas pressure switch
Blown relay
The drive pedal is pressed
USER MANUAL
Remedy
Check the brake fluid level
Replace
Bleed the system
Replace
Overhaul
Adjust
Check the tyre pressure
Replace
Replace
Check the by-pass screw tightening
Check the hydraulic system oil pressure on
the drive system pump
Replace
Deactivate
Repair
Replace
Replace
Adjust
Replace
Replace
Activate
Replace
Adjust the tension/replace the belt
Repair the leak and integrate the gas
Replace
Activate
Replace
Replace
Replace
Do not press the drive pedal when starting
the engine.
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