Strong Pressure Fluctuations - Kärcher K 5.520 Manual Del Usuario

Troubleshooting
You can rectify minor faults yourself with the
help of the following overview.
If in doubt, please consult the authorized cus-
tomer service.
Danger
Turn off the appliance and remove the mains
plug prior to any care and maintenance work.
Repair works may only be performed by the
authorized customer service.
Appliance is not running

Pull on the lever of the trigger gun; the de-
vice will switch on.

Check whether the voltage indicated on
the type plate corresponds to the voltage
of the mains supply.

Check the mains connection cable for
damages.
Pressure does not build up in the appli-
ance

Check setting at the spray lance.

Appliance ventilation: Switch the appli-
ance on with the high-pressure hose de-
tached and operate (max. 2 minutes) until
the water exits the high-pressure connec-
tion without bubbles. Switch off appliance
and reconnect high-pressure hose.

Check the water supply.

Pull out the sieve in the water connection
using flat-nose pliers and clean under run-
ning water.
Appliance does not start, motor hums
Cause: Voltage reduction due to weak mains
supply or when using an extension cable.

When switching on, first pull the lever of
the trigger gun and then switch the appli-
ance switch to "I/ON".

Strong pressure fluctuations


Clean high-pressure nozzle: Remove dirt
and debris from the nozzle bore, using a
needle and rinse through with water from
the front.

Check water flow quantity.
Appliance is leaking

Slight leakage from the appliance pump is
normal. If the leakage increases contact
the authorized customer service.
No detergent infeed

Use spray lance with pressure regulation
(Vario Power).
Turn the spray lance to "Mix" position.

Clean the detergent suction hose filter.

Check the detergent suction hose for
kinks.
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EN 17