Symptom

Cause

 

Solution

No detergent.

Detergent suction tube not prop-

Check connection.

 

erly connected to the machine.

 

 

Detergent is too thick.

 

Dilute detergent, for best re-

 

 

 

sults use Kärcher detergent.

 

Filter on detergent suction tube

Run warm water through filter

 

is clogged.

 

to remove debris.

 

Damaged or clogged detergent

Remove obstruction or re-

 

suction tube.

 

place detergent suction tube.

 

A high pressure nozzle is

Replace with black detergent

 

attached.

 

nozzle.

 

Spray nozzle is obstructed.

Blow out or remove debris

 

 

 

with fine needle.

Garden hose

Loose fittings.

 

Tighten fittings.

connection leaks.

Missing/worn rubber washer.

Insert new washer.

Spray wand

Spray wand not properly

Turn the swivel nut of the gun

leaks.

attached.

 

clockwise until connection is

 

 

 

tight.

 

Broken o-ring or plastic insert.

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 squeez-

 

 

 

ing trigger gun until a steady

 

 

 

flow of water emerges

 

 

 

through the nozzle.

Water leaks from

Loose fittings.

 

Tighten fittings.

pump (up to 10

Water seals are damaged or

Call Customer Support

drops per minute

worn.

 

 

is permissible).

 

 

Thermal protection device is

Thermal protection device will

 

activated.

 

auto reset. Do not run pump

 

 

 

for more than 5 minutes with-

 

 

 

out spraying.

Oil Drip.

Oil seals are damaged or worn.

Call Customer Support

If you encounter any additional difficul-

USA: 1-800-537-4129

ties not listed, please call for help or visit

www.karcher-usa.com/home

our website.

 

Canada: 1-800-465-4980

 

 

www.karcher-canada.com

 

 

Mexico: 01-800-024-13-13

 

 

www.karcher.com.mx

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Karcher G 2500 LH manual Symptom Cause Solution