TROUBLESHOOTING

￿ 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.

 

Electrical outlet does not

Try a different outlet.

 

supply adequate power.

 

 

Tripped GFCI plug.

Press “RESET” button on

 

 

GFCI plug.

 

Tripped circuit breaker.

Switch off pressure washer.

 

 

The reset comes automatically

 

 

once the temperature of the

 

 

unit drops.

Unit does not

Diameter of garden hose is

Replace with a 5/8 inch or

reach high pres-

too small.

larger garden hose.

sure.

 

 

Water supply is restricted.

Check garden hose for kinks,

 

 

leaks and blockage.

 

Not enough inlet water

Open water source full force.

 

supply.

 

 

Water inlet filter is clogged.

Remove filter and rinse out in

 

 

warm water.

 

Spray wand is on low

Turn spray wand to high

 

pressure position.

pressure position.

Output pressure

Not enough inlet water

Turn water on full force. Check

varies high and

supply.

garden hose for kinks, leaks or

low.

 

blockage.

 

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 inlet filter is clogged.

Remove filter and rinse out in

 

 

warm water.

 

Discharge nozzle is

Blow out or remove debris with

 

obstructed.

a fine needle.

 

Calcified gun, hose or spray

Run distilled vinegar through

 

wand.

detergent suction tube.

English 17

Page 17
Image 17
Karcher K 3.67 M manual Troubleshooting, Symptom Cause Solution