Use and Care Manual

16 English
Unit does not
reach high
pressure
The inlet hose leaks or
is blocked.
Clean or change the inlet hose.
Pump seat leaks. Replace the pump seat.
Output
pressure
varies high
and low
Not enough inlet water
supply.
Open water source full force. Check
garden hose for kinks, leaks and
blockage.
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.
No Detergent
Detergent is too thick Dilute detergent. For best results,
use Kärcher detergent.
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.
No water
flows or flow
rate is too low
The pump doesn’t take
in water.
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