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Other Faults
Indication lights
Not ON
Pressure too low
Machine is running with
pulsating pressure and makes
knocking noise
No detergent drawn in
Burner soots up
Maintenance plan
Water filters
Check and clean tank inlet fuel filter
Check and replace Internal fuel filter
Clean the fuel tank
Check the pump oil quality
Change the pump oil
Optional accessories / Option depending on model
1)
Original instruction
Cause
- Plug not connected to the electrical plug socket. - Put the plug into the electrical socket.
- High pressure nozzle worn out.
- Pressure regulation set to low pressure or
VarioPress-lance
set to low water volume
1)
- Pump has drawn in air as the detergent tank is
empty
- Detergent tank empty.
- Dirt in detergent tank.
- Suction valve at cleaning agent inlet soiled.
- Fuel contamination.
- Burner sooted or adjustment incorrect.
Weekly
●
Remedy
- Check fuse (see chapter Technical Data).
- Replace nozzle.
- Turn the twist grip on safety control block clock-
.
wise (+) or set VarioPress- lance
1)
water volume (see chapter E10-11).
- Close detergent valve. Remove lance from gun.
Operate spray gun and let machine run until
air in pump is gone and the machine is running
normally again.
- Top up detergent tank.
- Clean detergent tank.
- Remove suction valve and clean or replace.
✆
-
Nilfisk Service.
As required
After the first 50
operating hours
●
●
●
●
✆
Nilfisk Service
to higher
1)
When service lamp
lights
✆
Nilfisk Service
17
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