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Karcher Customer Support USA

1-800- 537-4129

11

TROUBLE SHOOTING 

- continued

If you encounter any additional 
difficulties not listed, please call 
our service center for help.

Symptom Cause 

Solution

No detergent.

Garden hose 
connection leaks.

Spray wand leaks.

Pump is noisy.

Water leaks from
pump (up to 10
drops per minute 
is permissible).

Oil Drip.

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.

Damaged or clogged
detergent suction tube.

Remove obstruction or replace
detergent suction tube.

Spray wand is in high 
pressure position.

Turn spray wand tip to low pressure
position.

Discharge nozzle is
obstructed.

Blow out or remove debris with a
fine needle.

Loose fitting.

Tighten fittings.

Missing/worn rubber washer.

Insert new washer.

Spray wand not properly
attached.

Broken o-ring or plastic
insert.

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.

Loose fittings.

Check that all fittings are tight.

Call service center.

Water seals are damaged
or worn.

Thermal protection device will 
automatically reset.

Thermal protection device
has been activated.

Call Kärcher customer service 
hotline and order repair kit 
(part no. 2.883-111.0).

Pump is sucking air.

Oil seals are damaged or
worn.

Call service center.

Insert the spray wand into the trigger
gun. Carefully press in against the
spring tension and twist into the
locked position.

Detergent suction tube not
properly connected to the
machine. 

Check connection.

Summary of Contents for K4400G

Page 1: ...Working with Detergents 6 Shut Down and Clean Up 7 Taking a Break 7 Winterizing and Long Term Storage 7 Cleaning Tips 8 9 Optional Cleaning Accessories 9 Trouble Shooting 10 11 Model K 4400 G Part No...

Page 2: ...ERVIEW Never point nozzle at people or animals Never drink alcohol or use drugs while operating this equipment Never spray electrical connections electrical outlets or fixtures Never add fuel with the...

Page 3: ...uence of alcohol or drugs Do not stand on unstable surfaces Stand with both feet balanced at all times The Gun Safety Lock PREVENTS the trigger from accidentally being engaged This safety feature DOES...

Page 4: ...should always be between the FULL and ADD marks on the dipstick Be sure the machine is level when checking the oil level Refer to the engine s operating manual for seasonal grades Step 3 Fill gas tank...

Page 5: ...pressure and repeat step 7 OPERATING INSTRUCTIONS Step 1 Connect the high pressure hose to the unit s high pressure outlet Step 2 Insert the Vario spray wand into the gun Push in and turn clock wise t...

Page 6: ...positioned to the high pressure setting To apply detergent the wand must be positioned to the low pressure setting For high pressure turn wand collar in the plus direction For low pressure turn wand...

Page 7: ...ll the Vario spray wand and set the Vario spray wand to the low pres sure setting by turning the wand collar The wand must be set in the low pressure position to apply detergents Step 2 Fill a contain...

Page 8: ...TORAGE 1 Disconnect all water connections 2 Start the machine for a few seconds until the water which had remained in the pump exits Turn off immediately 3 Drain the gas and oil from the engine 4 Do n...

Page 9: ...ing motion keeping the spray nozzle approximately 6 inches from the cleaning surface Caution Do not use rotating nozzle spray wand on siding as it may cause damage Cement Patios Brick and Stone with o...

Page 10: ...rect ly into cleaning solution and apply to surface at low pressure Allow K rcher All Purpose Cleaner to remain on surface 1 3 minutes Do not allow detergent to dry on surface If needed use special Wa...

Page 11: ...inse out in warm water Spray wand is in low pressure position Turn spray wand tip to high pressure position Not enough inlet water supply Turn water on full force Check garden hose for kinks leaks or...

Page 12: ...is obstructed Blow out or remove debris with a fine needle Loose fitting Tighten fittings Missing worn rubber washer Insert new washer Spray wand not properly attached Broken o ring or plastic insert...

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