Most disposals come with a self-service feature for jams.
If you have tried all the methods above and your disposal still won't drain, or if you notice water leaking from the bottom of the unit, it is time to call a licensed plumber. Attempting to disassemble the unit yourself can lead to leaks or electrical hazards.
Disconnect the power completely. Insert a 1/4-inch hex wrench (Allen wrench) into the socket at the bottom center of the unit. Follow the unjamming guide from The Home Depot by turning the wrench back and forth until the motor moves freely. how to clear garbage disposal
If your disposal hums but doesn't spin, an object is likely jammed between the impeller and the grind ring.
A humming disposal is almost never dead. With a $5 Allen wrench and ten minutes of patience, you can save the service call and get back to washing dishes. Just remember: keep your fingers out, and keep the bones out of the sink. Most disposals come with a self-service feature for jams
Foul smells suggest trapped food waste that hasn't been properly flushed.
If the unit won't even hum, it likely tripped its internal breaker. Press the small red button at the bottom of the unit to reset it after ensuring the jam is cleared. Disconnect the power completely
There are few household sounds more disheartening than the low, humming drone of a garbage disposal that has given up the ghost—or worse, the sound of water backing up into your sink.