Karcher K 6.50 MB manual Problem Checklist, Problem Possible Cause Correction

7.PROBLEM CHECKLIST

The machine you have chosen is of the highest quality. Correctly stored away from frost it should operate without problems. If a problem does arise, please check the following chart as a solution may be at hand.

PROBLEM	POSSIBLE CAUSE	CORRECTION
Machine refuses	Plug not connected	Connect plug
to start	Defective socket	Try another socket
	Fuse blown	Change the fuse
	Defective extension cable	Try without extension cable
	Wrong mains voltage	Check mains voltage corresponds
		to specifications of machine
Pump stops	Fuse blown	Change fuse and check size of
		extension cable
	Overheating due to poor	Check inlet water flow rate - hose
	water Supply	should fill a 10 litre bucket in one
		minute
Strong pressure Nozzle partly blocked		Clean dirt from nozzle hole with
fluctuations		needle and rinse from the front
	Inadequate mains water	Check inlet water flow rate
Machine does	Nozzle blocked/worn out	Clean/replace nozzle
not reach	Inadequate mains water	Check inlet water flow rate
operating	Inlet hose squeezed	Straighten out hose
pressure	Water filter clogged (3.1	Clean filter
	item15)
	Inlet hose blocked	Check hose for leaks or blockages
No detergent	Wrong pressure	Set Spray Lance at the minimum
suction		working pressure
	Blocked filter in	Unblock filter
	detergent tank	Clean ventilation hole in cover of
		Detergent Tank

In the unlikely event that you need to return your machine to your supplier,

please ensure that this is returned, complete with hose, gun and all accessories.

Note: Inrush currents cause short-time voltage drops. Under unfavourable power supply conditions other equipment may be affected. If the system impedance of the power supply is < 0,15 Ohms, disturbances are unlikely to occur.

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