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Garbage Disposer Motor Hums But Doesn't Run

The 3 most common part(s) or condition(s) which cause the symptom Garbage disposer motor hums but doesn't run are listed below starting with the most likely. Check or test each item and watch any available videos.


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Other Causes and Conditions

Plate is Jammed

If the garbage disposer motor hums but doesn't run the shredding plate might be stuck or worn out. Use the disposer wrench (or a 1/4 inch Allen wrench) inserted into the bottom center of the disposer to wiggle the shredding plate back and forth until it moves freely. If the motor still hums after the plate is freed the disposer will need to be replaced.

To see parts for your garbage disposer, you need to enter your model number on the right. The system will then display parts that are associated with your garbage disposer.

Shredding Plate

If the garbage disposer motor hums but doesn't run the shredding plate might be stuck or worn out. Use the disposer wrench (or a 1/4 inch Allen wrench) inserted into the bottom center of the disposer to wiggle the shredding plate back and forth until it moves freely. If the motor still hums after the plate is freed the disposer will need to be replaced.

Enter your model number for the best repair help results:


What is a model number, and where do I find it?

Other Causes and Conditions

Non Serviceable Motor

If the garbage disposer motor hums but doesn't run the motor might be stuck or worn out. Use the disposer wrench (or a 1/4 inch Allen wrench) inserted into the bottom center of the disposer to wiggle the motor back and forth until it moves freely. If the motor still hums after the plate is freed the disposer will need to be replaced.

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