Kärcher K 4.650, Original Instructions Manual

Page: 19 / 256

- 8
You can rectify minor faults yourself with
the help of the following overview.
If in doubt, please consult the authorized
customer service.

Danger
Turn off the appliance and remove the
mains plug prior to any care and mainte-
nance work.
Repair works may only be performed by the
authorized customer service.
 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.

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.
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".
 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.
 Check the settings at the dosage regu-
lator for detergent.
 Check whether the detergent reservoir
is placed into the detergent connection
facing down.
 Check the detergent suction hose for
kinks.
Troubleshooting
Appliance is not running
Pressure does not build up in the appli-
ance
Appliance does not start, motor hums
Strong pressure fluctuations
Appliance is leaking
No detergent infeed
19 EN