Maintenance And Care; Troubleshooting - Kärcher K4 Original Instructions Manual

Frost protection
ATTENTION
Appliances and accessories that are not
completely drained can be destroyed by
frost. Completely drain appliance and ac-
cessories and protect them against frost.
To avoid damage:
 Completely drain all water from the ap-
pliance: Switch the appliance on with
detached high pressure hose and de-
tached water supply (max. 1 minute)
and wait, until no more water exits at the
high pressure connection. Turn off the
appliance.
 Store the appliance and the entire ac-
cessories in a frost free room.

Maintenance and care

DANGER
Risk of electric shock. Turn off the appli-
ance and remove the mains plug prior to
performing any care and maintenance
work.
Prior to longer periods of storage, e.g. in
the winter:
Illustration
 Pull out the sieve in the water connec-
tion using flat-nose pliers and clean un-
der running water.
Maintenance
The appliance is maintenance free.

Troubleshooting

DANGER
Risk of electric shock. Turn off the appli-
ance and remove the mains plug prior to
performing any care and maintenance
work.
Repair work and work on the electrical
components may only be performed by an
authorised customer service.
You can rectify minor faults yourself with
the help of the following overview.
If in doubt, please consult the authorized
customer service.
22
Care
Appliance is not running
 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.
Appliance does not start, motor
Voltage reduction due to weak mains sup-
ply or when using an extension cable.
 When switching on, first pull the lever of
the hand spray gun and then switch the
appliance switch to "I/ON" or "eco".
Pressure does not build up in the
 Check setting at the spray lance.
 Check water supply for adequate deliv-
ery rate.
 Suction height of 0.5 m when vacuum-
ing from open container has been ex-
ceeded.
 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.
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.
– 12
EN
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appliance