Karcher K 2.91 MD Troubleshooting, Specifications, Appliance does not start, No detergent infeed

Troubleshooting

You can rectify minor faults yourself with the help of the following overview.

If in doubt, please consult the authorized customer service.

￿Risk of electric shock

Always switch off the appliance and pull out the mains plug before care and mainte- nance work.

￿Warning

Repair works may only be performed by the authorized customer service.

Appliance does not start

ÎCheck whether the voltage indicated on the type plate corresponds to the volt- age of the socket.

ÎCheck the power cable for damage.

Pressure does not build up in the appli- ance

ÎCheck the setting at the spray lance.

ÎEvacuate air from the appliance: Switch on the appliance when the high pres- sure hose is not connected and allow it to run until the water which discharges from the high pressure outlet is free of bubbles. Then connect the high pres- sure hose again.

ÎClean the filter in the water supply con- nection: This can be easily removed us- ing flat-nose pliers.

ÎCheck all supply lines to the High pres- sure pump for leaks or blockages.

Strong pressure fluctuations

ÎClean the high-pressure nozzle: Re- move dirt and debris from the nozzle bore with a needle and rinse through with water towards the front.

ÎCheck the volume of incoming water.

High pressure pump leaking

ÎSlight leakage from the high pressure pump is normal. If the leakage increas- es contact the authorized customer service.

No detergent infeed

ÎSelect the low-pressure setting for the spray lance.

8English

ÎClean the filter of the detergent suction hose.

ÎCheck the Detergent suction hose for kinks.

Specifications

Power connection

	Voltage	(1~50 Hz) 230-240 V
	Connected load		1,4 kW
	Mains fuse (slow-blow)		13 A
	Protective class		I
	Protection class		IPX5
	Water connection
	Max. feed temperature		40 °C
	Min. feed volume		8 l/min
	Max. feed pressure		1,2 MPa
	Performance data
	Working pressure		8 MPa
	Max. permissible pressure		10 MPa
	Water flow rate		5,5 l/min
	Detergent flow rate		0,4 l/min
	Recoil force of trigger gun		12 N
	Hand-arm vibration		0,8 m/s2
	(ISO 5349)
	Sound pressure level		72 dB(A)
	LpA (EN60704-1)
	Sound power level		86 dB(A)
LWA (2000/14/EG)
Dimensions
Length			284 mm
Width			294 mm
Height			566 mm
Weight			8,1 kg

Subject to technical modifications!