Karcher HD 13-35-4 - Manual (Page 22)

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 Change oil in the pump.
Change the oil in the high pressure pump.

For oil type refer to technical specifica-
tions.
 Turn out the oil drain screw.
 Drain the oil in a collection basin.
 Screw in oil drain plug.
 Fill in new oil slowly until the centre of
the oil level display.
Note
Air pockets must be able to leak out.
You can rectify minor faults yourself with
the help of the following overview.
If in doubt, please consult the authorized
customer service.
ƽ
Risk of injury
Always switch off the appliance and pull out
the mains plug before care and mainte-
nance work.
ƽ
Warning
Repair works may only be performed by the
authorized customer service.
The indicator lamps display the operating
states (green) and interruptions (red).
Reset:

Set the appliance switch to "0".
 Wait for a while.
 Set the appliance switch to "I".
 Continuous green:
– The appliance is now ready for opera-
tion.
 1x blinking green:
– Operational readiness has expired after
30 minutes.
– The appliance has switched off after 30
minutes of continuous operation (safety
if the high pressure hose bursts).
 Continuous red light:
– Electrical problems in appliance
 Pull out the mains plug.
 Call Customer Service.
 1x blinking red:
– High pressure side is leaky
 Check high pressure hose, hose con-
nections and hand spray gun for leaks.
 2x blinking red:
– Engine overload/overheat
 Set the appliance switch to "0".
 Allow device to cool down.
 Set the appliance switch to "I".
– Water pressure is too low
 Ensure adequate water line pressure.
 3x blinking red:
– Fault in the voltage supply
 Check main connections and mains
fuse.
 4x blinking red:
– Power consumption is too high
 Call Customer Service.
– No power
 Check whether the voltage indicated on
the type plate corresponds to the volt-
age of the socket.
 Check the mains connection cable for
damages.
– Indicator lamp is blinking green
 Operational readiness period has ex-
pired. Switch on/off the appliance
again.
– The water shortage fuse (option) was
triggered due to low water inlet pres-
sure.
The indicator lamp "lack of water" will il-
luminate.
 Check water inlet pressure, minimum
value see "Specifications".
Turn the device switch to "0" and turn
on again to restart the system.
After 50 operating hours
monthly or after 500 operating hours
Troubleshooting
Indicator lamp
Operating status display
Fault indication
Appliance is not running
22 EN