Troubleshooting; Special Accessories; Machine Does Not Start; Strong Pressure Fluctuations - Kärcher K 7.85 M Manual

Troubleshooting

You can rectify minor faults yourself with
the help of the following overview.
If in doubt, please consult the authorized
customer service.
Risk of electric shock
Always switch off the appliance and pull out
the mains plug before care and mainte-
nance work.
Warning
Repair works may only be performed by the
authorized customer service.

Machine does not start

Check whether the voltage indicated on
the type plate corresponds to the volt-
age of the socket.
Check the power cord for damage.
Pressure does not build up in the
appliance
Check the setting at the spray lance.
Evacuate air from the appliance: Switch
on the appliance when the HP hose is
not connected and allow it to run until
the water which discharges from the HP
outlet is free of bubbles. Then connect
the HP hose again.
Clean the fine filter in the water supply
connection: this can be easily removed
using flat-nose pliers.
Check all supply lines to the HP pump
for leaks or blockages.

Strong pressure fluctuations

Clean the high-pressure nozzle: Re-
move dirt and debris from the nozzle
bore with a needle and rinse through
with water towards the front.
Check the volume of incoming water.
HP pump leaking
Slight leakage from the HP pump is nor-
mal. If the leakage increases contact
the authorized customer service.
No detergent infeed
Turn the spray lance to "Mix" position -
low pressure.
16
English
Clean the filter of the detergent suction
hose.
Check the DT suction hose for kinks.

Special accessories

Special accessories can increase the usa-
bility of your appliance. Please contact your
Kärcher dealer for additional information.