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Cleaning Brush Motor failure to turn• The Motor Lock signal remains HIGH for a predetermined continuous period of time while the Motor is turning.
1 Check the M22 connector for proper connection and correct as necessary. 2 Check M22 for proper drive coupling and correct as necessary. 3 Check the PWB-MC connector for proper connection and correct as necessary. PWB-MC PJ2MC-9 (DC24 V) H-2. 4 M22 operation check PWB-MC PJ37MC-3 (REM) PWB-MC PJ37MC-6 (LOCK) K-3. 5 Change PWB-M.
This may seem like a lot, but the service manual has all of the info as to where to find these parts, click here. I know that you have a business to run, and these repairs can take some time. The long and the short of it is, the brush motor is not working. You may want to get someone working on this project who has an hour or two to work out the repair.