Kärcher KHD 4-2, Manual

Page: 11 / 24

English 11
A CR 2032 size battery is required.
Illustration
 Remove the control from the high-pres-
sure gun.
 Lift the yellow rubber tab and turn by 180°.
 Remove the battery by pulling on the
tape.
 Install the tape and the new battery with
the + pole facing upwards.
 Turn the yellow rubber tab back and
press back into place.
 Reattach the control by holding it an an-
gle and fasten it to the high-pressure gun.
 Dispose of the used batteries according
to the local provisions.
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.
 Push the lever of the trigger gun, the de-
vice 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 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 de-
tached and operate (max. 2 minutes) un-
til the water exits the high-pressure con-
nection without bubbles. Switch off appli-
ance and reconnect high-pressure 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.
 Detach spray lance from the trigger
gun. Work only with the trigger gun.
 Clean the detergent suction hose filter.

Check the detergent suction hose for
kinks.
The high-pressure gun Pressure Control
does not have a radio connection to the de-
vice.
 Decrease the distance between high-
pressure gun and high-pressure cleaner.
The maximum distance is 10 metres.
 Couple it to the high-pressure cleaner
again.
 Check / replace the batteries
Device error.
 Switch off the device and pull the mains
plug out of the socket.
 After 20 seconds, insert the power cord
back into the socket and switch the de-
vice on.
If the malfunction occurs repeatedly, have
the device checked by the customer service.
 Check / replace the batteries
Replacing the control battery
Troubleshooting
Appliance is not running
Pressure does not build up in the
appliance
Strong pressure fluctuations
Appliance is leaking
No detergent infeed
Error messages on the display
Digit 1 is flashing
Digit 1 and 2 are flashing quickly
Digit 3 is flashing quickly
Nothing shown on the display