TROUBLESHOOTING
ƽ CAUTION
Disconnect the machine from the power
source before making any repair.
Symptom
Cause
Solution
Motor will not start
On/Off switch is in the “OFF” Turn switch to the “ON” (I)
(O) position.
position
Power cord is not plugged in. Plug in power cord.
Extension cord is too long.
Replace extension cord with
Extension cord is not proper either a 25 ft. 12/3 gauge
cord or a 50 ft. 10/3 gauge
cord.
gauge.
Extension cord is damaged.
Electrical outlet does not sup- Try a different outlet.
ply adequate power.
Unit does not reach Diameter of garden hose is Replace with a 1/2 inch or
high pressure.
too small.
5/8 inch garden hose.
Water supply is restricted.
Check garden hose for kinks,
leaks and blockage.
Not enough inlet water sup-
ply.
Open water source full force.
Water inlet filter is clogged.
Remove filter and rinse out in
warm water.
Spray wand is in low pres-
sure position.
Turn spray wand to high
pressure position.
Output pressure var- Not enough inlet water sup-
Turn water on full force.
Check garden hose for kinks,
leaks or blockage.
ies high and low.
ply.
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 inlet filter is clogged.
Remove filter and rinse out in
warm water.
Discharge nozzle is obstruct- Blow out or remove debris
ed.
with a fine needle.
Calcified gun, hose or spray Run distilled vinegar through
wand.
detergent suction tube.
English 15
| Categories | Kärcher Pressure Washer Manuals, Pressure Washer Manuals |
|---|---|
| Tags | Kärcher K 391 M |
| 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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