Kärcher ARMADA BRC 40/22 C Manual page 46

Machine powers up everything works except the brush motor, the brush light is solid red
1. With your volt meter set on DC voltage, check for power at the brush motor connector on the main controller is there 135
+- VDC. (figure 1b)
Yes Go to step 2.
No Replace the main controller.
2. You will need to separate the upper and lower deck as described on pages 15-17. With your volt meter set on DC voltage,
check for power at the brush motor connector, is there 134+- VDC? (figure 2b)
Yes Check wiring to brush motor/replace brush motor.
No Check the wiring between the brush motor and main controller, repair/replace as needed.
Figure 1b Figure 2b
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