Kärcher K 6.550 Bedienungsanleitung Seite 26

Appliance is not running
Pull on the lever of the trigger gun;

the device will switch on.
Check whether the voltage indicat-

ed 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 appliance
Check setting at the spray lance.

Appliance ventilation: Switch the

appliance on with the high-pressure
hose detached and operate (max. 2
minutes) until the water exits the
high-pressure connection without
bubbles. Switch off appliance and
reconnect high-pressure hose.
Check the water supply.

Pull out the sieve in the water con-

nection using flat-nose pliers and
clean under running water.
Appliance does not start,
motor hums
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
appliance switch to "I/ON".
Strong pressure fluctuations
Clean high-pressure nozzle: Re-

move dirt and debris from the noz-
zle 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 in-
creases contact the authorized cus-
tomer service.
26
No detergent infeed
Use spray lance with pressure reg-

ulation (Vario Power).
Turn the spray lance to "Mix" position.
Check the settings at the dosage

regulator for detergent.
Check the detergent suction hose

for kinks.
– 14
EN