Troubleshooting - Kärcher HD 5/12 C Bedienungsanleitung

Every week
Check oil level in oil reservoir: if the oil is
milky (water in oil), seek the help of Cus-
tomer Service immediately.
Clean the strainer in the water connection.
Clean the filter at the suction hose for de-
tergent.
Annually or after 500 operating
hours
Change the oil
– For oil quantity and type see Technical
Specifications.
– Undo the fastening screw, remove the
hood, remove the oil tank cover, tilt unit.
– Drain oil into a suitable container.
– Fill slowly with fresh oil; air bubbles have
to escape.
– Attach the oil tank cover.

Troubleshooting

Danger!
!
Before any repair work is undertaken,
switch the unit off and pull out the power plug.
Have electrical components checked and re-
paired only by authorised Customer Service
personnel.
For faults which are not identified in this chap-
ter, or when in doubt or when expressly in-
structed to do so, consult authorised
Customer Service personnel.
Unit does not work
Check connecting cable for damage.
Check the mains voltage.
Consult Customer Service if there is an
electrical fault.
Unit does not come up to pres-
sure
Set nozzle to "high pressure".
Clean/replace nozzle.
Evacuate air from the cleaner (see Switch-
ing on the unit).
Clean the strainer in the water connection.
Check water inlet volume (see Technical
Specifications).
Check all supply lines to the pump for leaks
or obstructions.
Seek the help of Customer Service if nec-
essary.
Pump is leaky
Three drops per minute are allowable and
can appear on the underside of the unit.
Seek the help of Customer Service if leaks
are more serious.
Pump makes a knocking noise
Check all supply lines as well as the deter-
gent system for leaks.
Close the cleaning agent metering valve
when running the unit without cleaning
agent.
Evacuate air from the cleaner (see Switch-
ing on the unit).
Seek the help of Customer Service if nec-
essary.
Detergent is not being drawn in
Set nozzle to "Chem".
Check detergent suction hose with filter for
leaks or obstructions and clean it if neces-
sary.
Open detergent metering valve or check it
for leaks/remove obstruction.
Seek the help of Customer Service if nec-
essary.
English
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