To fix a garbage disposal that hums without spinning, you must clear the mechanical jam locking the flywheel. Callout type="warning" title="Electrical Safety Warning": Unplug the garbage disposal or turn off the wall circuit breaker before touching internal components. Insert a 1/4-inch hex wrench into the hexagonal socket hole located directly in the center of the bottom motor housing. Turn the wrench back and forth to loosen trapped debris. Once the flywheel spins freely, press the red reset button underneath. Verification: Plug the unit back in, turn on cold water, and flip the wall switch to verify smooth motor rotation.
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