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7.3 Cleaning of machine vents
The machine should be kept clean so as to let cooling air pass freely through the machine vents.
7.4 Greasing of couplings
To ensure an easy connection and that o-rings do not dry up. The couplings should be greased regularly.
8. TROUBLE-SHOOTING
Disconnect from the electrical power supply before carrying out user maintenance or checking its correct
functioning.
To avoid unnecessary disappointments, you should check the following before contacting the service
organization:
Symptom
Cause
Recommended action
Machine
refuses to start
Machine not plugged in
Defective socket
Fuse has blown
Defective extension cord
Plug in machine
Try another socket.
Replace fuse. Switch off other machines.
Try without the extension cord.
Fluctuating
pressure
Pump sucking air
Valves dirty, worn out or stuck
Pump seals worn out
Check that hoses and connections are airtight.
Clean and replace or refer to local distributor
Clean and replace or refer to local distributor
Machine stops
Fuse has blown
Incorrect mains voltage
Thermal sensor activated
Nozzle partially blocked
Replace fuse. Switch off other machines.
Check that the mains voltage corresponds to
specification on the model tag.
Leave the washer for 5 minutes to cool down.
Clean the nozzle
Fuse blows
Fuse too small
Change to an installation higher than the amp.
consumption of the machine. You may try
without the extension cord.
Machine
pulsating
Air in inlet hose
Inadequate supply of mains
water
Nozzle partially blocked
Water filter blocked
Hose kinked
Allow machine to run with open trigger until
regular working pressure resumes.
Check that the water supply corresponds to
specifications required
NB! Avoid using long, thin hoses (min. 1/2")
Clean the nozzle
Clean the filter
Straighten out hose.
Machine often
starts and
stops by itself
Pump/spray gun is leaking
Centre.
Contact your nearest Service
Machine starts,
but no water
comes out
Pump/hoses or accessory
frozen
No water supply
Water filter blocked
Nozzle blocked
Wait for pump/hoses or accessory to thaw.
Connect inlet water.
Clean the filter
Clean the nozzle
In case problems other than the above occur, please contact your local distributor.
39


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