Karcher HD 3-7-22-4S Eg - Manual (Page 12)

English
12
Fault display
„ 1 x flashing red:
– High-pressure side leaking. Check high-
pressure hose, hose connections and
hand-held spray gun for leaks.
„ 2 x flashing red:
– Motor too hot. Switch off the unit switch.
Leave unit to cool down. Switch the unit
back on again.
„ 3 x flashing red:
– Fault in the power supply. Check the
mains connection. Check supply fuses.
„ 4 x flashing red:
– Current consumption too high. Consult
Customer Service
Unit does not work
„ Availability time has run out. The indicator
light will flash green. Switch the unit off and
then on again.
„ Check connecting cable for damage.
„ Consult Customer Service if there is an
electrical fault.
Unit does not come up to pres-
sure
„ Set nozzle to "high pressure".
„ Clean/replace nozzle.
„ Clean the fine filter, replace if required.
„ Evacuate air from the cleaner (see Switch-
ing on the unit).
„ Check water inlet volume (see Technical
Specifications).
„ Check all supply lines to the pump for leaks
or obstructions.
„ Seek the help of Customer Service if nec-
essary.
Pump is leaky
„ Three drops per minute are allowable and
can appear on the underside of the unit.
Seek the help of Customer Service if leaks
are more serious.
Pump makes a knocking noise
„ Check all supply lines as well as the deter-
gent system for leaks.
„ Evacuate air from the cleaner (see Switch-
ing on the unit).
„ Clean the fine filter.
„ Seek the help of Customer Service if nec-
essary.
Detergent is not being drawn in
„ Set nozzle to "Chem".
„ Check detergent suction hose with filter for
leaks or obstructions and clean it if necessary.
„ Clean/renew non-return valve in detergent
suction-hose connection.
„ Open detergent metering valve or check it
for leaks/remove obstruction. Also clean
the venting orifice in the housing.
„ Seek the help of Customer Service if nec-
essary.
Spare parts
You will find a list of spare parts at the end of
these operating instructions.
Warranty
The warranty terms issued by our authorised
marketing company are valid in every country.
We remedy any fault in the unit free of charge
within the warranty period providing the cause
of the fault proves to be a material or manu-
facturing error.
The warranty only becomes operative when
your dealer has completed the reply card ac-
companying the sale of the unit, has stamped
and signed it and you have then sent the reply
card to the marketing company in your country.
Should you wish to call upon the guarantee,
please apply to your dealer or nearest author-
ised Customer Service centre taking along
also the accessories and bill of sale.