Troubleshooting - Kärcher G 2400 HH Operator's Manual

TROUBLESHOOTING

Disconnect the machine from the power source before making any repair.
Symptom
Engine will not
start.
Unit does not reach
high pressure.
Output pressure
varies high and low.
Cause
No gasoline.
Low oil level sensor activated.
Choke is not in correct position. Slide choke lever out to closed position.
Engine throttle is not in
correct position.
Pressure built up in the
high pressure washer.
Diameter of garden hose
is too small.
Water supply is restrict-
ed.
Not enough inlet water supply.
Water inlet filter is
clogged.
Black detergent nozzle is
attached.
Not enough inlet water
supply.
Pump is sucking air.
Water inlet filter is
clogged.
Discharge nozzle
is obstructed.
Calcified gun, hose
or spray wand.
Solution
Fill gas tank.
Add oil.
Slide the throttle lever up about 1/3
of the way toward the fast positon.
Squeeze the trigger to
release the pressure.
Replace with a 3/4 inch
garden hose.
Check garden hose for kinks,
leaks and blockage.
Open water source full force.
Remove filter and rinse out
in warm water.
Remove black detergent nozzle
and attach a high pressure nozzle.
Turn water on full force. Check garden
hose for kinks, leaks or blockage.
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.
Remove filter and rinse out
in warm water.
Blow out or remove debris
with a fine needle.
Run distilled vinegar through
detergent suction tube.
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