Check The Voltage Supply To The Solenoid Valve For Water Inlet; Check Supply Voltage Of The Drive Motor - Kärcher BR 45/40 Service Manual

9.4.10Check the voltage supply to the solenoid
valve for water inlet

Remove rear appliance cover.

Turn the programme selector switch to position 3
"Wet scrubbing".

Measure the voltage on the control PCB of termi-
nal strip X10 between pin 2 and pin 11.
Target value:
Switch bow of brush motor in idle position
0 Volts
–
Switch bow, brush motor pulled
Battery voltage
–
Installation in reverse order

9.4.11Check supply voltage of the drive motor


Remove rear appliance cover.

Turn the programme selector switch to position 1
"Drive".

Measure the voltage on the control PCB between
terminal strips X14 and X8.
Target value:
Switch bow of brush motor in idle position
0 Volts
–
Switch bow, brush motor pulled
19.5 +/- 0.2 Volt
–
Installation in reverse order
English 5.906-269.0 Rev. 00 (03/11)
83