Every 500 operating hours, at least
annually
Oil change.
Have the maintenance of the device
performed by the customer service.
Maintenance Works
Clean the sieve in the water connection
Take out sieve.
Clean sieve in water and reinstall.
Cleaning the fine filter
Unpressurize the appliance.
Unscrew the fine filter from the pump
head.
Remove the fine filter and the filter insert.
Clean the filter with clean water or com-
pressed air.
Reinstall in reverse sequence.
Clean the fuel sieve
Knock the dirt off of the fuel sieve. Do
not let the fuel enter the environment.
Clean sieve in the water shortage safe
guard
Remove the fastening clamp and pull
the hose from the lack of water fuse.
Take out sieve.
Note: If necessary turn in screw M8 appr. 5
mm inwards and therewith pull out sieve.
Clean sieve in water.
Push sieve inwards.
Slide the hose adapter all the way into
the lack of water fuse and secure it with
a fastening clamp.
Clean filter at the detergent suck hose
Take out detergent suck supports.
Clean filter in water and reinstall.
Oil change
Ready a catch bin for appr 1 Litre oil.
Loosen release screw.
Dispose of old oil ecologically or turn in at
a gathering point.
Tighten release screw.
Fill oil slowly up to the MAX marking.
Note: Air pockets must be able to leak out.
For oil type refer to technical specifications.
28
Troubleshooting
DANGER
Risk of injury by inadvertent start-up of ap-
pliance and electric shock. Prior to all work
on the appliance, switch off the appliance
and pull the power plug.
Indicator lamp for rotation direction
will blink (3-phase appliances only)
Figure 12
Exchange the poles at the appliance
plug.
Indicator lamp "Ready for use"
– No line voltage, see "Appliance is not
running".
Indicator lamp service
1x blinking
– Water shortage
Check water supply, check connec-
tions.
– Leak in the high pressure system
Check high pressure system and con-
nections for tightness.
2x blinking
– Fault in the voltage supply or current
pickup of the motor too high.
Check main connections and mains fuse.
Inform Customer Service.
3x blinking
– Engine overload/overheat
Set the appliance switch to "0/OFF".
Allow device to cool down.
Turn on the appliance.
– Error occurs repeatedly.
Inform Customer Service.
4x blinking
– The exhaust temperature limiter has
been triggered.
Set the appliance switch to "0/OFF".
Allow device to cool down.
Turn on the appliance.
– Error occurs repeatedly.
Inform Customer Service.
– 9
EN
turns off