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Kärcher K5.690 Operator's Manual page 18

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

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