Kärcher K7000G Operator's Manual page 7

K7000G Manual 11/30/01 5:04 PM Page 12
TROUBLESHOOTING
Symptom Cause
No detergent.
Detergent suction tube not
properly connected to the
machine.
Detergent is too thick.
Filter on detergent suction
tube is clogged.
Damaged or clogged
detergent suction tube.
Spray nozzle is in high
pressure position.
Discharge nozzle is
obstructed.
Garden hose Loose fitting.
connection leaks.
Missing/worn rubber washer. Insert new washer.
Nozzle or spray wand not
Triple jet nozzle or
properly attached.
Spray wand leaks.
11
Broken "o"-ring.
Pump is sucking air.
Pump is noisy.
Loose fittings.
Water leaks from
pump (up to 10
Thermal protection device
drops per minute
has been activated.
is permissible).
Water seals are damaged
or worn.
Oil Drip. Oil seals are damaged or
worn.
- continued
Solution
Check connection.
Dilute detergent, for best results use
Kärcher detergent.
Run warm water through filter to
remove debris.
Remove obstruction or replace
detergent suction tube.
Turn spray nozzle tip to "CHEM"
position.
Blow out or remove debris with a
fine needle.
Tighten fittings.
Tighten connections
Call Kärcher customer service
hotline and order "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.
Check that all fittings are tight.
Thermal protection device will
automatically reset.
Call service center.
Call service center.
If you encounter any additional
difficulties not listed, please call
our service center for help.
Karcher Customer Support USA Karcher Customer Support USA
1-800- 537-4129 1-800- 537-4129