Symptom
Cause
Solution
No detergent.
Detergent suction tube not
properly connected to the
machine.
Check connection.
Detergent is too thick.
Dilute detergent, for best re-
sults use Kärcher® detergent.
Run warm water through filter
to remove debris.
Filter on detergent suction
tube is clogged.
Damaged or clogged deter-
gent suction tube.
Remove obstruction or replace
detergent suction tube.
Spray wand is in high pres-
sure position.
Turn spray wand tip to low
pressure position.
Discharge nozzle is obstruct- Blow out or remove debris with
ed.
fine needle.
Garden hose con- Loose fittings.
Tighten fittings.
nection leaks.
Missing/worn rubber washer. Insert new washer.
Spray wand leaks. Spray wand not properly at- Insert the spray wand into the
tached.
trigger gun. Carefully press in
against the spring tension and
twist into the locked position.
Call Customer Support
Broken o-ring or plastic in-
sert.
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 Loose fittings.
Check that all fittings are tight.
pump (up to 10
Water seals are damaged or Call Customer Support
drops per minute is worn.
permissible).
Oil Drip.
Oil seals are damaged or
Call Customer Support
worn.
If you encounter any additional difficul-
ties not listed, please visit our website.
USA / Canada:
www.karcher-help.com
México:
www.karcher.com.mx
English 17
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| Categories | Kärcher Pressure Washer Manuals, Pressure Washer Manuals |
|---|---|
| Tags | Kärcher K 3.690 |
| Download File |
|
| Language | English, Français, Español |
| Product Brand | Kärcher. Kärcher US Home and garden support phone: 1-800-537-4129 Kärcher international support: http://www.karcher.com/start/choose_your_language.htm, Pressure Washer |
| Document File Type | |
| Publisher | karcherresidential.com |
| Wikipedia's Page | Kärcher |
| Copyright | Attribution Non-commercial |
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