When your garbage disposal hums without spinning, it means the motor is powered but jammed. Step 1: Unplug the disposal or turn off the wall circuit breaker for safety. Step 2: Insert a 1/4-inch hex wrench (or the manufacturer's unjamming tool) into the center hex socket on the bottom of the motor housing. Step 3: Rock the wrench back and forth forcefully to dislodge trapped debris or utensils. Step 4: Press the red thermal reset button on the bottom of the unit. Verification: Plug the disposal back in, turn on cold water, and flip the wall switch to confirm normal grinding operation.
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