Skip to main content

Reconnect Power and Test — Reconnect Power and Test the Garbage Disposal

Beginner60 mins

Part of project

Fix a Humming Garbage Disposal: Troubleshooting & Repair · Step 4 of 5

Helpful?

In this video

After resetting the breaker button, plug the garbage disposal's power cord back into the electrical outlet. Once power is restored, go back to the sink, turn on the cold water faucet, and then flip the garbage disposal switch. The disposal should now turn on and operate normally. If it doesn't, there may be other issues that require further troubleshooting.

Goal: Confirm the repair was successful

  • Always run cold water when operating the garbage disposal to help flush food particles down the drain.
271.6K views4.0K30 seconds
RepairClinic.com

662K subscribers

View Channel

FAQs

My garbage disposal is humming but not grinding. What's the very first thing I should do before attempting any repairs?

The absolute first step is to prioritize safety by disconnecting all power sources to the disposal. This includes flipping the circuit breaker, turning off the wall switch, and unplugging it if accessible. This prevents accidental activation while you're working inside the unit.

I don't have a specific 'disposal wrench' or Allen wrench for the bottom hole. Can I use a different tool to free the jam?

While a dedicated disposal wrench or a 1/4-inch hex Allen wrench is ideal for the bottom hole, you can also try turning the grinding plate from the top using a wooden broom handle. For removing debris from the drain opening, long-handled tongs or needle-nose pliers are essential. Never use your hand for this task.

I used the wrench and removed visible debris, but my disposal is still humming after I restore power. What should I do next?

If humming persists after clearing a jam and restoring power, the motor might be overheated. Allow it to cool for 15-20 minutes, then press the red reset button usually found on the bottom of the unit. If it still hums or doesn't turn on, the motor might be seized or burned out, indicating it's time to contact a plumber or consider replacement.

What's the safest way to remove debris from inside the disposal, especially if I can't see it well?

Always ensure power is disconnected before inspecting the disposal's interior. Use a flashlight to illuminate the chamber and then carefully remove any obstructions with long-handled tongs or needle-nose pliers. Never use your bare hands, as the grinding components are sharp, even when not moving.

Transcript
Hide

in the bottom portion of the disposal come back in here plug the disposal back in verify nothing popped out come up above turn the water on and the garbage disposal switch and hopefully that is your main cause of your garbage disposal not working

Auto-generated transcript. May contain errors.