Kärcher 1.071-927, Manual

Page: 36 / 462

– 13

Leave device running with open deter-
gent dosage valve and closed water
supply, until the swimmer tank is
sucked empty and the pressure falls to
"0".

Open the water supply again.
If the pump still is not sucking in any deter-
gent, it could be because of the following
reasons:
– Filter in the detergent suck hose dirty

Clean filter.
– Backflow valve stuck

Remove the detergent hose and loosen
the backflow valve using a blunt object.
– System care bottle empty.

Replace the system care bottle.
– Fuel tank empty.

Refill fuel.
– Water shortage

Check water supply, check connec-
tions.

Clean sieve in the water shortage safe
guard.
– Fuel filter dirty

Change fuel filter.
– No ignition spark

If device is in use and no ignition spark
can be seen through the viewing glass,
have device checked by customer ser-
vice.
– Working pressure/flow rate to high

Reduce working pressure/flow quantity
at the pressure/volume regulator in the
pump unit.
– Sooty heating spiral

Have device de-sooted by customer
service.
If malfunction can not be fixed, the de-
vice must be checked by customer ser-
vice.
The warranty terms published by the rele-
vant sales company are applicable in each
country. We will repair potential failures of
your appliance within the warranty period
free of charge, provided that such failure is
caused by faulty material or defects in man-
ufacturing. In the event of a warranty claim
please contact your dealer or the nearest
authorized Customer Service centre.
Please submit the proof of purchase.
Only use original accessories and spare
parts, they ensure the safe and trouble-free
operation of the device.
For information about accessories and
spare parts, please visit www.kaercher.com.
Device is not sucking in detergent
Burner does not start
Set temperature is not achieved
while using hot water
Customer Service
Warranty
Accessories and Spare Parts
35 EN