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Maytag MDBTT79AWW dishwasher fills and nothing else. Once filled you hear a click, followed by a humming sound for 3-5 seconds, then silence. This will happen two or three more times, and then unit will shut off. Motor doesn't start. Repairman says he thinks control board is bad, but he sounds like he is guessing. I performed a field service test , which indicated a fault in the high current motor circuit. Unit is seven years old. Don't know whether to attempt repair, or replace.


Answers :

That sounds like the motor trying to start but being jammed it is shutting off via an internal breaker. Check for something in the bootom of dishwasher that might have gotten down there that could do this. You might have to take the sprayer off and some things below that.
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Maytag MDBTT79AWW dishwasher fills and nothing else. Once filled you hear a click, followed by a humming sound for 3-5 seconds, then silence. This will happen two or three more times, and then unit will shut off. Motor doesn't start. Repairman says he thinks control board is bad, but he sounds like he is guessing. I performed a field service test , which indicated a fault in the high current motor circuit. Unit is seven years old. Don't know whether to attempt repair, or replace.


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