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Karcher Customer Support USA
1-800- 537-4129
Karcher Customer Support USA
1-800- 537-4129
TROUBLESHOOTING
- continued
If you encounter any additional
difficulties not listed, please call
our service center for help.
Symptom Cause
Solution
No detergent.
Garden hose
connection leaks.
Triple jet nozzle or
Spray wand leaks.
Pump is noisy.
Water leaks from
pump (up to 10
drops per minute
is permissible).
Oil Drip.
Detergent is too thick.
Dilute detergent, for best results use
Kärcher detergent.
Filter on detergent suction
tube is clogged.
Run warm water through filter to
remove debris.
Damaged or clogged
detergent suction tube.
Remove obstruction or replace
detergent suction tube.
Spray nozzle is in high
pressure position.
Turn spray nozzle tip to ”CHEM”
position.
Discharge nozzle is
obstructed.
Blow out or remove debris with a
fine needle.
Loose fitting.
Tighten fittings.
Missing/worn rubber washer.
Insert new washer.
Nozzle or spray wand not
properly attached.
Broken “o”-ring.
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.
Loose fittings.
Check that all fittings are tight.
Call service center.
Water seals are damaged
or worn.
Thermal protection device will
automatically reset.
Thermal protection device
has been activated.
Call Kärcher customer service
hotline and order “o”-ring.
Pump is sucking air.
Oil seals are damaged or
worn.
Call service center.
Tighten connections
Detergent suction tube not
properly connected to the
machine.
Check connection.
Detergent metering valve is
closed or is set in the low
position.
Set metering valve to a higher
dosage.
