Kärcher ARMADA BRC 40/22 C Manual page 49

Machine powers up everything runs except the solution will only spray from the center jet in deep extraction
1. Remove the 2 black jets from the machine, with the main switch in a deep extraction mode and the pump switch on press
the yellow hand lever, does water flow from the jet bodies?
Yes Clean or replace the jets.
No Move to step 2.
2. Place your positive test probe into the blue wire #29 in the 6 pin connector on the main controller, place your negative
test probe on the neutral lead of the main switch. With your volt meter set on AC voltage, operate the machine as de
scribed in step 1, is there 120+- VAC? (figure 1e)
Yes Move to step 3.
No Replace the controller.
3. You will need to separate the upper and lower deck as described on pages 15-17. Place your test probes into the blue and
white connector for the solenoid. With your volt meter set on AC voltage, operate the machine as described in step 1, is
there 120+- VAC? (figure 2e)
Yes Replace the solenoid valve.
No Check the wiring back to the controller repair or replace as needed.
Figure 1e
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Figure 2e