Nilfisk Advance RS 500 Instructions D'utilisation page 33

Problem
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.
33015122(1)2006-02
Possible cause
Faulty drive pedal
Open by-pass valve
Drive system pump power decrease
Worn drive motors
Activated drive system pump deactivation
screw (to facilitate machine towing)
Hydraulic system oil leaks
Broken drive system pump
Broken drive system motor
Misadjusted drive pedal
Broken hot water tap or pipes
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.
INSTRUCTIONS FOR USE
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.
Remedy
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