A garbage disposal reset is a manual restart that clears a jam or electrical fault

When your garbage disposal stops running or hums without grinding, the first step is almost always a reset. The reset button is a small red or black button on the bottom or side of the unit itself—not on the wall switch. Pressing it restores power to the motor after it has shut itself off due to overload, a jam, or an electrical surge. Most disposals reset in seconds and start working again without any other repair needed.

Before you touch anything, turn off the wall switch and make sure the unit is completely silent. A disposal that is still spinning is dangerous. Wait a full minute after switching off to be certain the blades have stopped.

Key Takeaways

  • The reset button is located on the bottom or lower side of the disposal unit itself, not on the wall switch above the sink.
  • Always turn off the wall switch and wait for the blades to stop completely before attempting any reset or inspection.
  • If the reset button pops out again when ready after you press it, the disposal has a jam that must be cleared before it will run.
  • Never put your hand down the drain to remove a jam; use tongs, pliers, or a wooden spoon handle to fish out debris.
  • If the reset button will not stay in or the disposal still will not run after a successful reset, the motor may need professional repair.

Locate the reset button on your disposal unit

The reset button is mounted directly on the garbage disposal housing, not on the wall or under the sink cabinet. On most models, it is on the bottom of the unit, facing downward. On some older or compact models, it may be on the side. Look for a small button, usually red or black, about the size of a pencil eraser.

If you cannot find it, check your disposal's manual or look up the model number (usually stamped on the unit or on a label). The manual will show you exactly where the button is located. If you have lost the manual, the manufacturer's website often has a PDF version you can read by model number.

Turn off power and clear any visible blockage

Switch off the wall switch above the sink and leave it off. Do not turn the disposal back on while you are working. Wait at least one minute for the motor to stop completely—you should hear no sound at all.

Shine a flashlight down the drain and look for food, utensils, or other objects stuck in the chamber. If you see something, use needle-nose pliers, tongs, or a wooden spoon handle to pull it out. Never reach your hand into the disposal, even when the power is off. Jams are the most common reason a disposal shuts itself off and needs a reset.

Press the reset button firmly until it clicks

Locate the reset button and press it straight in with your finger or thumb. You should feel it click or snap into place. The button will stay pressed in once it has reset the unit. This restores electrical power to the motor.

Turn the wall switch back on and run cold water into the sink. The disposal should start normally. If it does not make any sound, the reset may not have worked, or there may be a deeper electrical problem. If it hums but does not grind, there is still a jam inside that is preventing the blades from turning.

What to do if the reset button pops back out

If the button pops out again when ready or within a few seconds of pressing it, the disposal is telling you there is still a jam. The motor is shutting itself off as a safety measure because the blades cannot turn freely. Do not keep pressing the reset button repeatedly—this will not clear the jam and may damage the motor.

Instead, turn off the wall switch again and look more carefully down the drain with a flashlight. Check for anything wrapped around the blades, such as string, rubber bands, or plastic bags. Use pliers or tongs to remove it. Once the jam is cleared, try the reset button again. It should stay in this time.

When to call a professional plumber

If the reset button will not stay in after you have cleared all visible jams, or if the disposal still will not run after a successful reset, the problem is likely inside the motor or electrical system. A professional plumber can diagnose whether the motor has burned out, the capacitor has failed, or there is an internal jam you cannot reach.

You should also call a plumber if the disposal is leaking water from the bottom or sides, or if it is making grinding noises that sound like metal on metal. These are signs of internal damage that a reset cannot fix. Trying to force the disposal to work may cause more damage and make the repair more expensive.

How to prevent jams that trigger resets

Most resets happen because of jams, which are preventable. Run cold water before, during, and after using the disposal—hot water can melt grease and cause buildup. Feed food slowly and in small amounts rather than stuffing the chamber full at once. Avoid putting fibrous foods like celery, corn husks, or onion skins down the disposal; they wrap around the blades and jam the motor.

Never put bones, pits, shells, or hard objects down the disposal. Do not pour grease or oil down the drain, even with water running. These solidify as they cool and create blockages further down the pipe. If you follow these habits, you may never need to reset your disposal again.

Frequently Asked Questions

Can I reset the disposal by flipping the wall switch on and off?

No. Flipping the wall switch does not reset the unit. You must press the physical reset button on the disposal itself. The wall switch straightforward cuts power; the reset button restores it after clearing an overload condition.

What if I cannot find the reset button?

Check the bottom of the unit first—that is where it is on most models. If it is not there, look at the side or back. Consult your manual or search online for your specific model number. If the unit is very old, it may not have a reset button at all, which means it needs professional service to restore power after a jam.

Is it safe to put my hand down the drain to remove a jam?

No. Even with the power off, the blades are sharp and your hand can slip. Always use tongs, pliers, or a wooden spoon handle to fish out debris. Keep your fingers well away from the chamber opening.

How long does it take for a disposal to cool down before I can reset it?

Wait at least one minute after turning off the wall switch. This gives the motor time to stop spinning completely and the thermal overload switch to cool. You will know it is safe when you hear no sound at all from the unit.

What does it mean if the reset button keeps popping out?

A button that pops out repeatedly means there is still a jam preventing the blades from turning. The motor is shutting itself off as a safety measure. Clear the jam completely before trying the reset again. If the button still pops out after you have removed all visible blockages, call a plumber—there may be a jam deeper in the pipe.