Karcher K 3000 G Operator's Manual - page 15

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15

Symptom 

Cause

Solution

Motor will not 

start

On/Off switch is in the 

“OFF” (0) position.

Turn switch to the “ON” (I) position

Power cord is not plugged 

in.

Plug in power cord.

Electrical outlet does not 

supply adequate power.

Try a different outlet.

Tripped GFCI plug.

Press “RESET” button on GFCI plug.

Tripped internal circuit 

breaker.

Switch off pressure washer. The reset comes 

automatically once the temperature of the unit 

drops.

Unit does not 

reach high       

pressure

Diameter of garden hose is 

too small.

Replace with a 5/8 inch (16mm) or larger 

garden hose.

Water supply is restricted.

Check garden hose for kinks, leaks and block-

age.

Not enough inlet water 

supply.

Open water source full force.

Water inlet filter is clogged.

Remove filter and rinse out in warm water.

Output pressure

varies high and

low

Not enough inlet water 

supply.

Turn water on full force. Check garden hose 

for kinks, leaks or blockage.

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 ob-

structed.

Clean high-pressure nozzle: Remove dirt and 

debris from the nozzle bore, using a needle 

and rinse through with water from the front.

WARNING

  Disconnect the unit from the power source 

before making any repair.

TROUBLESHOOTING