Karcher G 4000 OH servo press - Manual (Page 16)

16
English
If you encounter any additional difficul-
ties not listed, please call for help or visit
our website.
No detergent. Detergent suction tube not
properly connected to the
machine. Check connection.
Detergent is too thick. Dilute detergent, for best results
use Kärcher detergent.
Filter on detergent suction
tube is clogged. Run warm water through filter to
remove debris.
Detergent filter valve is at
lowest setting. Set detergent filter valve to a
higher setting.
Damaged or clogged deter-
gent suction tube. Remove obstruction or replace
detergent suction tube.
A high pressure nozzle is
attached. Replace with black detergent
nozzle.
Spray nozzle is obstructed. Blow out or remove debris with
fine needle.
Garden hose
connection leaks. Loose fittings. Tighten fittings.
Missing/worn rubber wash-
er. Insert new washer.
Spray wand leaks. Spray wand not properly
attached. Turn the swivel nut of the gun
clockwise until connection is
tight.
Broken o-ring or plastic in-
sert. Call Customer Support
Pump is noisy. Pump is sucking air. Check that hoses and fittings are
air tight. Turn off machine and
purge pump by squeezing trig-
ger gun until a steady flow of wa-
ter emerges through the nozzle.
Water leaks from
pump (up to 10
drops per minute is
permissible). Loose fittings. Tighten fittings.
Water seals are damaged
or worn. Call Customer Support
Thermal protection device
is activated. Thermal protection device will
auto reset. Do not run pump for
more than 5 minutes without
spraying.
Oil Drip. Oil seals are damaged or
worn. Call Customer Support
Symptom Cause Solution