Kärcher HD 4/8 Classic, Manual

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3. Re-insert the water filter into the water connection.
Troubleshooting guide
 DANGER
Risk of injury due to inadvertently starting up device and also due to electric shock.
Switch off the device immediately and unplug the mains plug before performing work.
Have electrical components checked and repaired by the authorised Customer Service.
In case of any malfunctions not mentioned in this chapter, contact the authorised Customer Service when in doubt or
when you have been explicitly advised to do so.
Warranty
The warranty conditions issued by our relevant sales company apply in all countries. We shall remedy possible mal-
functions on your appliance within the warranty period free of cost, provided that a material or manufacturing defect
is the cause. In a warranty case, please contact your dealer (with the purchase receipt) or the next authorised cus-
tomer service site.
(See overleaf for the address)
Fault Remedy
Device does not start  Check the power cable for damage.
 Check the mains voltage.
 If the device overheats:
a Set the power switch to "0".
b Allow the device to cool for at least 15 minutes.
c Set the power switch to "1".
 Contact Customer Service in case of electrical faults.
Device not building up
pressure  Fit the standard nozzle (size specified, see Chapter Technical data ).
 Clean / replace the high-pressure nozzle.
 Vent the device (see Chapter Venting the device ).
 Clean the water filter (see Chapter Cleaning the water filter ).
 Clean all inlet pipes to the pump.
 Check the water supply volume (see Chapter Technical data ).
Pump leaking
Up to 3 drops of water per
minute are permissible.
 In case of more serious leaks, have the device checked by Customer Service.
Pump knocking  Clean the water filter.
 Check the water supply line for leaks.
 Vent the device (see Chapter Venting the device ).
 Contact Customer Service if necessary.
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