Kärcher 1.071-934, Manual

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– 11
Display
Troubleshotting

Check the fill level of the fuel tank.

Check function of the burner (Customer
Service).

Check the fuel nozzle, ignition elec-
trodes, ignition cables and replace if
necessary (Customer Service).

Clean the burner (Customer Service).

Clean the flame sensor and replace if
necessary.
Display
Troubleshotting
– Engine overload/overheat

Turn device switch on "0" and let engine
cool off for min. 5 minutes.

If malfunction still occurs, have device
checked by customer service.

Refill fuel.

Check the function of the fuel level sen-
sor.

Refill liquid softener.

Clean the electrodes in the liquid sof-
tener tank.

Refill detergent.

Disconnect the main plug from the
socket.

Rotate the pole reverser unit in the
mains plug by 180°.

Insert the mains plug into the socket.

If detergent tank is empty, refill.

Set dosing value for detergent to "0".

Ventilate the appliance, see "Operation/
Ventilating the System")

Clean the filter in the water connection
and in both swimmer tanks.

Check water supply level (refer to tech-
nical data).

Check all supply lines to the high-pres-
sure pump for leaks or blockages.

Check all supply lines to the high pres-
sure pump as well as the detergent sys-
tem for leaks or blockages.

Ventilate the appliance, see "Operation/
Ventilating the System")

Clean the detergent suction hose with
filter.

Clean the detergent metering valve.

Remove the detergent suction hose on
the pump head and loosen the backflow
valve using a blunt object.

Check all detergent suction hoses and
connections and ensure that they are
leak-proof.

Check the detergent solenoid valves.

Refill fuel.

Check the fuel pump.

Clean sieve in front of the water short-
age safe guard.

Change fuel filter.

Clean the flame sensor of the electric
flame monitoring system.
If malfunction can not be fixed, the de-
vice must be checked by customer ser-
vice.
Fuel indicator lamp glows
Indicator lamp liquid softener glows
Indicator lamp for detergent glows
Indicator lamp rotation direction
lights up
Device is not building up pressure
Pump is vibrating
Device is not sucking in detergent
Burner does not start
Customer Service
30 EN