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– 7
Danger
Risk of injury if the machine is left running
in an unattended state. Remove the spark
plug before doing any work on the appli-
ance.
Risk of burns! Do not touch hot silencers,
cylinders or radiator ribs.
Danger
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.
Follow operating instructions of the engine
manufacturer!
–
Operating speed of the engine is too
low
Check operating speed of the engine
(refer to technical data).
–
Nozzle is set to "CHEM"
Set nozzle to "High pressure".
–
Nozzle is blocked/ washed out
Clean/ replace nozzle.
–
Sieve in the water connection is dirty
Clean sieve.
–
Air within the system
Appliance ventilation:
–
Amount of water supply is too low.
Check water supply level (refer to tech-
nical data).
–
Pipe inlets to pump are leaky or blocked
Check all inlet pipes to the pump.
–
Pump leaky
Note
3 drops/minute are allowed.
With stronger leak, have device
checked by customer service.
–
Inlet pipes to the pump are leaky.
Check all inlet pipes to the pump.
–
Air within the system
Appliance ventilation:
–
Nozzle is set to "High pressure"
Set nozzle to "CHEM".
–
Detergent suction hose with filter is
leaky or blocked
Check/ clean detergent suction hose
with filter.
–
Backflow valve in the connection of the
detergent suction hose is jammed
Clean/ replace backflow valve in the
connection of the detergent suction
hose.
–
Detergent dosing valve is closed or
leaky/ blocked
Open or check/clean detergent dosing
valve.
If malfunction can not be fixed, the de-
vice must be checked by customer ser-
vice.
–
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.
Faults
Appliance is not running
Device is not building up pressure
Device leaks, water drips from the
bottom of the device
Pump is vibrating
Detergent is not getting sucked in
Spare parts
18
EN