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Symptom
NO DETERGENT.
GARDEN HOSE
CONNECTION
LEAKS
SPRAY WAND
LEAKS
PUMP IS NOISY
WATER LEAKS
FROM PUMP (UP
TO 10 DROP PER
MINUTE IS PER-
MISSIBLE)
OIL DRIP
If the symptom you are experiencing is not listed
above, or if the provided solutions do not solve your
issue, please visit our extensive online trouble-
shooting database at:
www.karcherresidential.com/help
14 English
Cause
Detergent suction tube not
properly
connected to the machine
Detergent is too thick
Filter on detergent suction
tube is clogged
Damaged or clogged deter-
gent suction tube
A high pressure nozzle is
attached
Spray nozzle is obstructed
Loose fi ttings
Missing/worn rubber
washer
Spray wand not properly
attached
Broken o-ring or plastic
insert
Not enough gas or engine
oil
Loose fi ttings
Water seals are damaged
or worn.
Thermal protection device
is activated.
Oil seals are damaged or
worn
.
Solution
Check connection
Dilute detergent, for best results use Kärcher
detergent
Run warm water through fi lter to remove
debris
Remove obstruction or replace detergent
suction tube
Replace with black detergent nozzle
Blow out or remove debris with fi ne needle
Tighten fi ttings
Insert new washer
Turn the swivel nut of the gun clockwise until
connection is tight
Call Customer Support
Check that hoses and fi ttings are air tight.
Turn off machine and purge pump by
squeezing trigger gun until a steady fl ow of
water emerges through the nozzle
Tighten fi ttings
Call Customer Support
Thermal protection device will auto reset.
Do not run pump for more than 5 minutes
without spraying
Call Customer Support
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