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If the dishwasher hums and will not start, it usually means the circulation motor has seized up. Do not attempt to keep it running for long periods. You will over heat the motor if it’s not running properly. In rare occasion, glass, chicken bones, popcorn kernels, and believe it or not jewelry can make its way past the filters and stop the wash pump. This is no easy fix if that’s the problem. Other times the wash pump stops working by itself. If either one is the problem it won’t be worth fixing.

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14y ago

It sounds as though the dishwasher is blocked with dirt form the dishes. Thoroughly clean the filter and run through on the hottest cycle with no dishes except with some bleach in a bowl. This should help sterilise the dishwasher as well as clean it.Then run through on a full cycle with the detergent tab.

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Q: If a dishwasher hums but the motor will not run what is the may the problem be?
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