Troubleshooting manual high pressure washer

Troubleshooting
To avoid unnecessary disappointments, you should check the following before contacting the Nilfisk service
organization:
Symptom
Cause
Recommended action
Machine refuses to
start
Machine not plugged in
Plug in machine.
Defective socket
Try another socket.
Fuse has blown
Replace fuse. Switch off other machines.
Defective extension cable
Try without the extension cable.
Fluctuating pressure
Pump sucking air
Check that hoses and connections are airtight.
Valves dirty, worn out or
stuck
Clean and replace or refer to local Nilfisk
distributor.
Pump seals worn out
Clean and replace or refer to local Nilfisk
distributor.
Motor busses
Low voltage or low
temperature
Activate the trigger of the spray gun.
Machine stops
Fuse has blown
Replace fuse. Switch off other machines.
Incorrect mains voltage
Check that the mains voltage corresponds to
specification on the model tag.
Thermal sensor activated
Leave the washer for 5 minutes to cool down.
Nozzle partially blocked
Clean the nozzle (user guide G1.7)
Fuse blows
Fuse too small
Change to an installation higher than the amp.
consumption of the machine.
You may try without the extension cable.
Machine pulsating
Air in inlet hose/pump
Allow machine to run with open trigger until
regular working pressure resumes.
Inadequate supply of mains
water
Check that the water supply corresponds to
specifications required (see model tag)
NB! Avoid using long, thin hoses (min. 1/2")
Nozzle partially blocked
Clean the nozzle (user guide G1.7)
Water filter blocked
Clean the filter (user guide G1.5)
Hose kinked
Straighten out hose.
Machine often starts
and stops by itself
Pump/spray gun is leaking
Contact your nearest Nilfisk Service
Centre.
Machine starts, but no
water comes out
Pump/hoses or accessory
frozen
Wait for pump/hoses or accessory to thaw.
No water supply
Connect inlet water.
Water filter blocked
Clean the filter (user guide G1.5)
Nozzle blocked
Clean the nozzle (user guide G1.7)
In case problems other than the above occur, please contact your local Nilfisk distributor.
AUSTRALIA
Nilfisk Pty Ltd
Unit 1/13 Bessemer Street
Blacktown NSW 2148
Tel.: [phone]
www.nilfisk.com.au
CANADA
Nilfisk Canada Company
240 Superior Boulevard
Mississauga, Ontario L5T 2L2
Tel.: [phone]
www.nilfisk.ca
HONG KONG
Nilfisk Ltd.
2001 HK Worsted Mills
Industrial Building
31-39, Wo Tong Tsui St.
Kwai Chung, N.T.
Tel.: [phone]
www.nilfisk.com