Karcher G 3000 BH - Manual (Page 17)

English
17
ƽ
CAUTION
Remove the spark plug cable to prevent
accidental ignition of the engine before
making any repair.
TROUBLESHOOTING
Symptom Cause Solution
Engine will not
start No gasoline Fill gas tank
Choke is not in the correct
position. Pull the choke rod to the
CLOSED position.
Water pressure built up in the
machine. Squeeze the trigger to release
the pressure.
For additional engine problems refer to the engine manual.
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. Turn water on full force.
Check garden hose for kinks,
leaks or blockage.
Water inlet filter is clogged. Remove filter and rinse out in
warm water.
Black detergent nozzle is
attached. Remove black detergent
nozzle and attach high
pressure nozzle
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.
Spray nozzle is obstructed. Blow out or remove debris
with a fine needle.
Calcified gun, hose or spray
wand. Run distilled vinegar through
detergent suction tube.