Check The Drive Motor Switch; Check Detergent Switch - Kärcher BR 45/40 Service Manual

9.4.3 Check the drive motor switch


Remove operating panel.
1 Drive motor switch
2 Indicator lamps "Battery monitoring and fault"
3 Control PCB display

Pull the connector plug off the drive motor switch.

Connect the resistance measurement device to
the plug connections on the drive motor switch.
Target value:
Switch in position "0":
> 1 MOhm
–
Switch in position "0":
< 2 Ohm
–
If one of the values is not reached, the switch is de-
fective and must be replaced.
Installation in reverse order
78
English 5.906-269.0 Rev. 00 (03/11)

9.4.4 Check detergent switch


Remove operating panel.
1 Key switch
2 Detergent switch

Pull the connector plug off the detergent switch.

Connect the resistance measurement device to
the plug connections on the detergent switch.
Target value:
Switch in position "0":
> 1 MOhm
–
Switch in position "chem"
< 2 Ohm
–
If one of the values is not reached, the switch is de-
fective and must be replaced.
Installation in reverse order