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Note:
It is not necessary to perform an oil
change on the high-pressure pump.
Remove the filter.
Clean filter in water and reinstall.
Clean filter in water and reinstall.
DANGER
Risk of injury by inadvertent startup of ap-
pliance and electrical shock.
First pull out the plug from the mains before
carrying out any tasks on the machine.
– No power
Check power connection/conduit.
– Engine overload/overheat
Set the appliance switch to "0/OFF“.
Allow device to cool down.
Turn on the appliance.
If malfunction still occurs, have device
checked by customer service.
– The exhaust temperature limiter has
been triggered, heating coil is sooted.
Have device de-sooted by customer
service.
– The exhaust temperature limiter has
been triggered, exhaust temperature
too high.
Set the appliance switch to "0/OFF“.
Allow device to cool down.
Only in devices with manual reset:
Illustration
Press reset button of the exhaust tem-
perature limiter.
Turn on the appliance.
If malfunction still occurs, have device
checked by customer service.
– Air within the system
Vent pump:
With open hand spray gun turn device
on and off multiple times with the device
switch.
Note:
By dismantling the spray lance from
the hand spray gun, the venting process is
accelerated.
Fill/replace external detergent contain-
er if empty.
Check connections and conduits.
– Filter in the water connection is dirty
Clean filter.
– Amount of water supply is too low.
Check water supply level (refer to tech-
nical data).
– Water tap is closed.
Open tap.
– Air within the system
Vent pump:
With open hand spray gun turn device
on and off multiple times with the device
switch.
Note:
By dismantling the spray lance from
the hand spray gun, the venting process is
accelerated.
– High-pressure nozzle clogged
Clean the nozzle.
– Heating coil has heavy calcium depos-
its
Have the device decalcified by custom-
er service.
– Leak in the high pressure system
Check high pressure system and con-
nections for tightness.
Maintenance Works
Clean filter in the water connection.
Clean filter at the detergent suck hose
Troubleshooting
Appliance is not running
Device is not building up pressure
Device continuously turns on and
off while hand spray gun is open
Device turns on and off while hand
spray gun is closed
11
EN