If your garbage disposal motor hums or remains silent and fails to rotate, follow a safe troubleshooting sequence. Callout type="warning" title="Electrical Safety Warning": Unplug the disposal or turn off the wall circuit breaker before touching internal parts. If the unit hums, insert a 1/4-inch hex wrench into the bottom motor socket and rock it back and forth to clear any physical jams locking the flywheel. If the unit is completely silent, press the red thermal reset button on the bottom housing and check the under-sink GFCI outlet. Verification: Plug the unit back in, turn on cold water, and flip the wall switch to verify smooth motor rotation.
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