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Garbage Disposer Grinding Plate is Stuck

The part(s) or condition(s) listed below for the symptom Garbage disposer grinding plate is stuck are ordered from most likely to least likely to occur. Check or test each item, starting with the items at the top of the page.

Most Frequent Causes for Garbage disposer grinding plate is stuck

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Cause 1Plate is Jammed

Insert either a disposer wrench or a ¼ inch Allen wrench into the bottom of the disposer and wiggle the shredding plate back and forth until it moves freely.

Cause 2Shredding Plate

You can manually turn the grinding plate to free the plate. Most disposers have an opening on the bottom of the housing. Insert an Allen wrench into this opening and turn the plate to clear the obstruction. If your disposer does not have an opening on the bottom, insert a broom handle through the top opening and wiggle the plate.

Parts
Cause 3Non Serviceable Motor

The motor bearings might be defective. Most disposers have an opening at the bottom of the housing. Insert either a disposer wrench or a ¼ inch Allen wrench into the bottom of the disposer and wiggle the shredding plate back and forth until it moves freely. If the disposer does not have an opening at the bottom, insert a broom handle into the drain opening and try to wiggle the plate. If the disposer motor still hums after you free the plate, this likely indicates that the motor bearings are defective. The disposer motor is not replaceable—if the disposer motor is defective or worn out, you must replace the entire disposer.