Kärcher K 5.79 MD Bedienungsanleitung Seite 17

 Check whether the voltage indicated on
the type plate corresponds to the volt-
age 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
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 connec-
tion using flat-nose pliers and clean un-
der running 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 ap-
pliance switch to "I/ON".
Strong pressure fluctuations
 Clean high-pressure nozzle: Remove
dirt and debris from the nozzle bore, us-
ing a needle and rinse through with wa-
ter from the front.
 Check water flow quantity.
Appliance is leaking
 Slight leakage from the appliance pump
is normal. If the leakage increases con-
tact the authorized customer service.
No detergent infeed
 Use spray lance with pressure regula-
tion (Vario Power).
Turn the spray lance to "Mix" position.
 Check the settings at the dosage regu-
lator for detergent.
 Clean the detergent suction hose filter.
 Check the detergent suction hose for
kinks.
– 7
EN 17