Karcher HD 10-21 4 SX Plus - Manual (Page 21)

– 7
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Danger
Risk of injury by inadvertent startup of ap-
pliance and electrical shock.
First pull out the plug from the mains before
carrying out any tasks on the machine.
Get the electrical components checked and
repaired only by authorised customer ser-
vice persons.
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.
 Check connection cable for damages.
 Call Customer Service in case of elec-
trical defects.
 Install the high pressure nozzle.
 Clean/ replace nozzle.
 Clean the fine filter; replace it, if neces-
sary.
 Deaerate the appliance (see "Start-up")
 Check water supply level (refer to tech-
nical data).
 Check all inlet pipes to the pump.
 Contact Customer Service if needed.
3 drops per minute are permitted and can
come out from the lower side of the appli-
ance. Call Customer Service if there is
heavy leakage.

With stronger leak, have device
checked by customer service.
 Check suction pipes for water and de-
tergent and ensure that they are leak-
proof.
 Deaerate the appliance (see "Start-up")
 Clean the fine filter.
 Contact Customer Service if needed.
 Install the low pressure nozzle.
 Check/ clean detergent suction hose
with filter.
 Clean/ replace backflow valve in the
connection of the detergent suction
hose.
 Open or check/clean detergent dosing
valve.
 Clean the deaerating hole of the deter-
gent tank in the casing.
 Contact Customer Service if needed.
– Only use accessories and spare parts
which have been approved by the man-
ufacturer. The exclusive use of original
accessories and original spare parts
ensures that the appliance can be oper-
ated safely and trouble free.
– At the end of the operating instructions
you will find a selected list of spare parts
that are often required.
– For additional information about spare
parts, please go to the Service section
at www.kaercher.com.
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.
Troubleshooting
Appliance is not running
Pressure does not build up in the
appliance
Pump leaky
Pump is vibrating
Detergent is not getting sucked in
Spare parts
Warranty
21 EN