Kärcher HD 4/9 C Instructions Manual page 14

Contact an authorised customer
–
service person in case of problems
not mentioned in this chapter or if
you are in doubt or when you have
been explicitly asked to do so.
Appliance is not running
Check connection cable for damag-

es.
Check the supply voltage.

If the appliance is overheated:

Set the appliance switch to "0".
Allow machine to cool down at least
for 15 minutes.
Set the appliance switch to "1".
Call Customer Service in case of

electrical defects.
Pressure does not build up in the
appliance
Set nozzle to "High pressure".

Deaerate the appliance (see "Start-

up")
Clean the sieve in the water con-

nection.
Check water supply level (refer to

technical data).
Clean the nozzle.

Replace the nozzle.

Contact Customer Service if need-

ed.
Pump leaky
3 drops of water per minute are permit-
ted and can leak from the bottom of the
appliance.
With stronger leak, have device

checked by customer service.
Pump is vibrating
Check suction pipes for water and

detergent and ensure that they are
leak-proof.
14
Set the suction flow on the deter-

gent filter to the minimum quantity.
Deaerate the appliance (see "Start-

up")
Contact Customer Service if need-

ed.
Detergent is not getting sucked
Set nozzle to "CHEM".

Increase the suction flow at the de-

tergent filter.
Check/ clean detergent suction

hose with filter.
Contact Customer Service if need-

ed.
Accessories and Spare Parts
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.kaerch-
er.com.
The warranty terms published by the
relevant sales company are applicable
in each country. We will repair potential
failures of your appliance within the
warranty period free of charge, provid-
ed that such failure is caused by faulty
material or defects in manufacturing. In
the event of a warranty claim please
contact your dealer or the nearest au-
thorized Customer Service centre.
Please submit the proof of purchase.
– 11
EN
in
Warranty