Karcher K 3.48 M - Manual (Page 16)

16
English
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CAUTION Disconnect the machine from the power
source before making any repair.
TROUBLESHOOTING
Symptom Cause Solution
Motor will not start On/Off switch is in the “OFF”
(0) position.
Turn switch to the “ON” (I) posi-
tion
Power cord is not plugged in. Plug in power cord.
Electrical outlet does not sup-
ply adequate power.
Try a different outlet.
Tripped GFCI plug. Press “RESET” button on GFCI
plug.
Tripped circuit breaker. Switch off pressure washer. The
reset comes automatically once
the temperature of the unit drops.
Unit does not reach
high pressure. Diameter of garden hose is too
small. Replace with a 5/8 inch or larger
garden hose.
Water supply is restricted. Check garden hose for kinks,
leaks and blockage.
Not enough inlet water supply. Open water source full force.
Water inlet filter is clogged.
Remove filter and rinse out in
warm water.
Spray wand is on low pressure
position. Turn spray wand to high pres-
sure position.
Output pressure
varies high and low. Not enough inlet water supply. Turn water on full force. Check
garden hose for kinks, leaks or
blockage.
Pump is sucking air. 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.
Water inlet filter is clogged. Remove filter and rinse out in
warm water.
Discharge nozzle is obstruct-
ed. Blow out or remove debris with a
fine needle.
Calcified gun, hose or spray
wand. Run distilled vinegar through de-
tergent suction tube.