Karcher K 3.67 M manual Troubleshooting, Symptom, Cause, Solution

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