Troubleshooting - Kärcher K 2.25 Manual Original

CAUTION
Disconnect the machine from the power
source before making any repair.
Symptom
Motor will not start
Unit does not reach
high pressure.
Output pressure
varies high and low.
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TROUBLESHOOTING

Cause
On/Off switch is in the "OFF"
(O) position.
Tripped GFCI plug.
Power cord is not plugged in. Plug in power cord.
Electrical outlet does not
supply adequate power.
Diameter of garden hose is
too small.
Water supply is restricted.
Not enough inlet water
supply.
Water inlet filter is clogged.
Spray wand is on low
pressure position.
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
Turn switch to the "ON" (I)
position
Press "RESET" button on
GFCI plug.
Try a different outlet.
Replace with a 5/8 inch or
larger garden hose.
Check garden hose for kinks,
leaks and blockage.
Open water source full force.
Remove filter and rinse out in
warm water.
Turn spray wand to high
pressure position.
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 squeez-
ing 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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