Kärcher K 4 Silent, Instructions Manual

Page: 22 / 26

22 English
You can rectify minor faults yourself with
the help of the following overview.
If in doubt, please consult the authorized
customer service.

DANGER
Risk of electric shock.
 Prior to all work on the appliance,
switch off the appliance and pull the
power plug.
 Pull on the lever of the trigger gun; the
device will switch on.
 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.
 Motor overloaded, the motor circuit
breaker has tripped.
– Turn off the appliance "0/OFF".
– Allow the device to cool down for
one
hour .
– Switch on the device and put it into op-
eration again.
If the malfunction occurs repeatedly,
have the device checked by the cus-
tomer service.
Voltage reduction due to weak mains sup-
ply 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".
 Check water supply for adequate deliv-
ery rate.
 Pull out the sieve in the water connec-
tion using flat-nose pliers and clean un-
der running water.
 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.
 Suction height of 0.5 m when vacuum-
ing from open container has been ex-
ceeded.
 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.
 Slight leakage from the appliance pump
is normal. If the leakage increases con-
tact the authorized customer service.
 Use spray lance with pressure regula-
tion (Vario Power).
Turn the spray lance to "Mix" position.
 Clean the detergent suction hose filter.
 Check the detergent suction hose for
kinks.
Troubleshooting
Appliance is not running
Appliance does not start, motor
hums
Pressure does not build up in the
appliance
Strong pressure fluctuations
Appliance is leaking
No detergent infeed