TROUBLESHOOTING – continued

 

 

Symptom

Cause

Solution

 

 

 

 

 

 

 

No detergent.

Detergent suction tube not

Check connection.

 

 

 

properly connected to the

 

 

 

 

machine.

 

 

 

 

Detergent is too thick.

Dilute detergent, for best results

 

 

 

 

use Kärcher detergent.

 

 

 

 

 

 

 

 

Filter on detergent suction

Run warm water through filter

 

 

 

tube is clogged.

to remove debris.

 

 

 

 

 

 

 

 

Damaged or clogged

Remove obstruction or

 

 

 

detergent suction tube.

replace detergent suction tube.

 

 

 

 

 

 

 

 

Spray wand is in

Turn spray wand tip to

 

 

 

high pressure position.

low pressure position.

 

 

 

 

 

 

 

 

Discharge nozzle

Blow out or remove debris

 

 

 

is obstructed.

with fine needle.

 

 

 

 

 

 

 

 

Detergent container is empty.

Add more detergent.

 

 

 

 

 

 

 

 

Detergent filter valve is

Set detergent filter valve to a high-

 

 

 

at lowest setting.

er setting.

 

 

 

 

 

 

 

Garden hose

Loose fittings.

Tighten fittings.

11

 

connection leaks.

 

 

 

Missing/worn rubber washer.

Insert new washer.

 

 

 

 

 

 

 

 

 

 

Spray wand

Spray wand not

Insert the spray wand of your choice into

 

 

or Spray wand

properly attached.

the the wand extension. Push in and turn

 

 

extension leaks.

 

clockwise to lock spray wand in place.

 

 

 

Spray wand extension

Insert the spray wand extension into

 

 

 

not properly attached.

the trigger gun. Press in against the

 

 

 

 

spring tension and twist into the lock

 

 

 

 

position. Turn the spray wand exten-

 

 

 

 

sion collar clockwise until tight..

 

 

 

Broken o-ring.

Call Kärcher customer service

 

 

 

 

hotline and order an o-ring.

 

 

 

 

 

 

 

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

Loose fittings.

Check that all fittings are tight.

 

 

from pump.

 

 

 

 

Water seals are

Call service center.

 

 

 

 

 

 

damaged or worn.

 

 

 

 

 

 

 

 

Oil Drip.

Oil seals are damaged or worn.

Call service center.

 

 

 

 

 

In USA Call:

1-800-537-4129

or visit our website: www.karcher-usa.com

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

Kärcher Customer Support USA

Page 12
Image 12
Karcher K 520 specifications Troubleshooting, No detergent