Troubleshooting - Kärcher K 3.67 M Operator's Manual

CAUTION
Symptom
Motor will not start On/Off switch is in the "OFF"
Unit does not
reach high pres-
sure.
Output pressure
varies high and
low.

TROUBLESHOOTING

Cause
(O) position.
Power cord is not plugged in. Plug in power cord.
Electrical outlet does not
supply adequate power.
Tripped GFCI plug.
Tripped circuit breaker.
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.
Disconnect the machine from the power
source before making any repair.
Solution
Turn switch to the "ON" (I)
position
Try a different outlet.
Press "RESET" button on
GFCI plug.
Switch off pressure washer.
The reset comes automatically
once the temperature of the
unit drops.
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 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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English