English 17
Output
pressure
varies high
and low
Pump is sucking in air. Check that hoses and fittings are air
tight. Turn off machine and purge
pump by squeezing trigger gun until a
steady flow of water emerges through
the nozzle.
Water inlet filter is
clogged.
Remove garden hose adapter and
rinse out in warm water.
Spray Nozzle is
obstructed.
Blow out or remove debris with a fine
needle.
Calcified gun, hose or
spray wand.
Run distilled vinegar through soap
tank.
No Detergent
Detergent is too thick Dilute detergent. For best results,
use Kärcher detergent.
A high pressure nozzle
is attached.
Make sure the nozzle is the Soap
Nozzle.
Spray Nozzle is
obstructed.
Blow out or remove debris with a fine
needle.
Garden hose
connection
leaks
Loose fittings. Tighten fittings.
Missing/worn
rubber washer.
Insert new washer.
Spray wand
leaks
Spray wand not
properly attached.
Insert the spray wand into the trigger
gun. Carefully press in against the
spring tension and twist into the
locked position.
Broken o-ring or plastic
insert.
Visit www.karcher-help.com or locate
a service center.
Pump is noisy
Pump is sucking in air. Check that hoses and fittings are air
tight. Turn off machine and purge
pump by squeezing trigger gun until a
steady flow of water emerges through
the nozzle.
Symptom Cause Solution
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