Manual

1)
Options / model variants
Original instructions
14
Troubleshooting
Fault Cause Remedy
Pressure drop • Air in the system • Vent the system by operating the spray
gun several times at short intervals. If
necessary, operate the cleaner for a
short time without the high-pressure hose
connected.
• High pressure nozzle blocked
worn
• Clean/replace the high pressure nozzle
• Detergent tank empty • Top up detergent tank or set detergent to
“0”
Pressure fl uctuations • Pump draws in air (only
possible in suction mode)
• Check that the suction set is air-tight
• Lack of water • Open water tap
• Water inlet hose is too long
or its cross-section too small
• Use a water inlet hose that can provide the
water fl ow (Q
max
) defi ned for the machine
• Lack of water caused by
blocked water fi lter
• Clean the water fi lter in the water
connection (never work without water fi lter)
• Lack of water because max.
permissible suction height
has not been heeded
• See instructions
The motor does not start when
the cleaner is switched on
•
•
The plug is not inserted
properly, i.e. there is no
current
Oil level too low
•
•
Check the plug, lead and switch and if
necessary have them replaced by a skilled
electrician
Check oil/add oil
•
•
The mains fuse is switched
off
The overload protection
has been activated due to
overheating or overloading of
the motor
•
•
Switch on the mains fuse
Check that the mains voltage and the
cleaner voltage are the same. Switch off
the cleaner and allow it to cool for at least 3
minutes
When the cleaner is switched
on the motor buzzes without
starting
• The mains voltage is too low
or there is a phase failure.
• Have the electrical connection checked
• The pump is blocked or
frozen
• Contact the Nilfi sk customer service
• Incorrect cross-section or
length of the extension lead
• Use lead with correct cross section or
length
The motor switches off • The overload protection
has been activated due to
overheating or overloading of
the motor
• Check that the mains voltage and the
cleaner voltage are the same. Switch off
the cleaner and allow it to cool for at least 3
minutes
• High-pressure nozzle is dirty • Change the high-pressure nozzle
No detergents drawn in •
•
•
•
Detergent tank empty
The cap on the FlexoPower-
Plus nozzle head is not set to
low pressure
Double lance are not adjus-
ted to low pressure.
Injector is dirty or suction
hose is blocked.
•
•
•
•
Top up detergent tank
Set to low pressure
Set to low pressure
Clean