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English 13
Symptom
Cause Solution
OUTPUT PRES-
SURE
VARIES HIGH
AND LOW
Spray nozzle is obstructed Blow out or remove debris with a fi ne
needle
Calcifi ed gun, hose or spray
wand
Run distilled vinegar through detergent
suction tube.
NO DETER-
GENT
Detergent suction tube not
properly connected to the
machine
Check connection
Detergent is too thick Dilute detergent, for best results use
Kärcher detergent
Filter on detergent suction
tube is clogged
Run warm water through fi lter to remove
debris
Damaged or clogged deter-
gent suction tube
Remove obstruction or replace deter-
gent suction tube
A high pressure nozzle is
attached
Replace with black detergent nozzle
Spray nozzle is obstructed Blow out or remove debris with fi ne
needle
GARDEN HOSE
CONNECTION
LEAKS
Loose fi ttings Tighten fi ttings
Missing/worn rubber washer Insert new washer
SPRAY WAND
LEAKS
Spray wand not properly
attached
Turn the swivel nut of the gun clockwise
until connection is tight
Broken o-ring or plastic
insert
Visit www.karcher-help.com or locate a
service center at :
www.karcher-service.com
PUMP IS NOISY
Not enough gas or engine
oil
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
WATER LEAKS
FROM PUMP
(UP TO 10
DROPS PER
MINUTE IS PER-
MISSIBLE)
Loose fi ttings Check fi ttings
Water seals are damaged
or worn.
Visit www.karcher-help.com or locate a
service center at :
www.karcher-service.com
Thermal protection device
is activated.
Thermal protection device will auto
reset. Do not run pump for more than 5
minutes without spraying.
OIL DRIP
Oil seals are damaged or
worn
Visit www.karcher-help.com or locate a
service center at :
www.karcher-service.com
TROUBLESHOOTING
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 troubleshooting database at:
www.karcher-help.com
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