Troubleshooting

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

If in doubt, please consult the authorized customer service.

￿Danger

Turn off the appliance and remove the mains plug prior to any care and mainte- nance work.

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

Appliance is not running

Pull on the lever of the trigger gun; the device will switch on.

Check whether the voltage indicated on the type plate corresponds to the volt- age of the mains supply.

Check the mains connection cable for damages.

Pressure does not build up in the appli- ance

Check setting at the spray lance.

Remove air from appliance before oper- ation.

Switch on the appliance without con- nection the HP hose (max. 2 minutes) and run it until the water discharging from the HP outlet is free of bubbles. Switch off appliance and reconnect HP hose.

Check the water supply.

Pull out the sieve in the water connec- tion using flat-nose pliers and clean un- der running water.

Appliance does not start, motor hums

Cause: Voltage reduction due to weak mains supply or when using an extension cable.

When switching on, first pull the lever of the trigger gun and then switch the ap- pliance switch to "I/ON".

Strong pressure fluctuations

Clean high-pressure nozzle: Remove dirt and debris from the nozzle bore, us-

ing a needle and rinse through with wa- ter from the front.

Check water flow quantity.

Appliance is leaking

Slight leakage from the appliance pump is normal. If the leakage increases con- tact the authorized customer service.

No detergent infeed

Use spray lance with pressure regula- tion (Vario Power).

Turn the spray lance to "Mix" position.

Check the settings at the dosage regu- lator for detergent.

Check the detergent suction hose for kinks.

Technical specifications

Power connection

Voltage

240

V

1~50 Hz

 

 

 

 

 

Connected load

1,9

kW

 

 

 

Mains fuse (slow-blow)

10

A

 

 

 

Protective class

I

 

 

 

 

Protection class

IP X5

 

 

 

 

Water connection

 

 

 

 

 

Max. feed temperature

40

°C

 

 

 

Min. feed volume

10

I/min

 

 

 

Max. feed pressure

0,8

MPa

 

 

 

Max. Suction height

0,5

m

 

 

 

Performance data

 

 

 

 

 

Working pressure

12

MPa

 

 

 

Max. permissible pressure

13

MPa

 

 

 

 

1885

PSI

 

 

 

Water flow rate

6,7

I/min

 

 

Detergent flow rate

0 - 0,3 I/min

Subject to technical modifications!

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Karcher K 4.650 manual Troubleshooting, Technical specifications