Karcher HD 425 specifications TROUBLESHOOTING - continued, Run warm water through filter to

Models: HD 425

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TROUBLESHOOTING – continued

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TROUBLESHOOTING – continued

Symptom

Cause

Solution

 

 

 

 

 

No detergent.

Detergent is too thick.

Dilute detergent.

 

 

 

 

 

 

 

 

Filter on detergent suction tube is

Run warm water through filter to

 

 

 

clogged.

remove debris.

 

 

 

 

 

 

 

 

Damaged or clogged detergent

Remove obstruction or replace

 

 

 

suction tube.

detergent suction tube.

 

 

 

 

 

 

 

 

Triple nozzle is in high pressure

Turn nozzle tip to low pressure

 

 

 

position.

position.

 

 

 

 

 

 

 

 

Discharge nozzle is obstructed.

Blow out or remove debris with a

 

 

 

 

fine needle.

 

 

 

 

 

Garden hose

Loose fittings.

Tighten fittings.

connection leaks.

 

 

 

 

 

 

Missing/worn rubber washer.

Insert new washer.

 

 

 

 

 

 

Spray wand leaks.

Spray wand not properly attached.

Slide the spray wand into the

 

 

 

 

trigger gun. Turn the wand collar

 

 

 

 

clockwise onto the gun threads

 

 

 

 

until thight.

 

 

 

 

 

 

 

 

Broken o-ring or plastic insert.

Call Customer Service.

 

 

 

 

 

Pump is noisy.

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 leaks from pump (up

Loose fittings.

Check that all fittings are tight.

to 10 drops per minute is

 

 

 

 

Water seals are damaged or worn.

Call Customer Service.

permissible).

 

 

 

Oil Drip.

Oil seals are damaged or worn.

Call Customer Service.

 

 

 

 

 

If you encounter any additional difficulties not listed, please call your dealer or Customer Service at 1-888-705-9444for help, or visit www.karcher.ca

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Karcher HD 425 TROUBLESHOOTING - continued, Run warm water through filter to, Blow out or remove debris with a