Karcher G 4000 SH manual Symptom Cause Solution

Symptom	Cause		Solution
No detergent.	Detergent suction tube not prop-		Check connection.
	erly connected to the machine.
	Detergent is too thick.		Dilute detergent, for best re-
			sults use Kärcher detergent.
	Filter on detergent suction tube		Run warm water through filter
	is clogged.		to remove debris.
	Detergent filter valve is at lowest		Set detergent filter valve to a
	setting.		higher setting.
	Damaged or clogged detergent		Remove obstruction or re-
	suction tube.		place detergent suction tube.
	A high pressure nozzle is		Replace with black detergent
	attached.		nozzle.
	Spray nozzle is obstructed.		Blow out or remove debris
			with fine needle.
Garden hose	Loose fittings.		Tighten fittings.
connection leaks.
	Missing/worn rubber washer.		Insert new washer.
Spray wand	Spray wand not properly		Turn the swivel nut of the gun
leaks.	attached.		clockwise until connection is
			tight.
	Broken o-ring or plastic insert.		Call Customer Support
Pump is noisy.	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 leaks from	Loose fittings.		Tighten fittings.
pump (up to 10	Water seals are damaged or		Call Customer Support
drops per minute	worn.
is permissible).
	Thermal protection device is		Thermal protection device will
	activated.		auto reset. Do not run pump
			for more than 5 minutes with-
			out spraying.
Oil Drip.	Oil seals are damaged or worn.		Call Customer Support
If you encounter any additional difficul-		USA: 1-800-537-4129
ties not listed, please call for help or visit		www.karcher-usa.com/home
our website.		Canada: 1-800-465-4980
		www.karcher-canada.com

Mexico: 01-800-024-13-13

www.karcher.com.mx

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