Karcher K 4 Premium - Manual (Page 22)

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 Switch the appliance on ("I/ON“), press
the trigger gun lever until no further wa-
ter is discharged (approx. 1 min).
 Turn off the appliance.
 Store the appliance and the entire ac-
cessories in a frost free room.
ƽ
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.
The appliance is maintenance free.
ƽ
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.
 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.
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 setting at the spray lance.
 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.
 Remove air from appliance before oper-
ation.
Switch on the appliance without con-
nection the HP hose (max. 2 minutes)
and run it until the water discharging
from the HP outlet is free of bubbles.
Switch off appliance and reconnect HP
hose.
 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 Plug 'n' Clean deter-
gent bottle is placed into the detergent
connection facing down.
Maintenance and care
Care
Maintenance
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
22 EN