Your garbage disposal suddenly stops working, and the silence under the sink feels ominous. Before you panic and call a plumber, check one small component that fixes the problem about 80% of the time — the Insinkerator reset button. This built-in circuit breaker trips when the motor overloads, and resetting it takes less than five seconds. Understanding how this button works saves you the $150 to $250 a plumber would charge for what is often a 30-second fix.
Where to Find the Reset Button
Look at the very bottom of the disposal unit underneath your sink. The Insinkerator reset button is a small red or black button, roughly the size of a pencil eraser, located on the underside of the unit. On most Insinkerator models — including the Badger 5, Evolution Compact, and Evolution Excel — it sits dead center on the bottom plate.
You may need a flashlight to spot it. If the button has tripped, it will protrude about a quarter inch from the housing rather than sitting flush. That visible pop-out is your confirmation that the thermal overload has activated and the unit needs a reset.
Why the Reset Button Trips
The reset button acts as a built-in thermal overload protector. When the disposal motor draws too much current — typically from a jam, overheating, or processing too much food at once — the overload switch cuts power to prevent motor damage. Common triggers include:
- Jammed flywheel: A bone fragment, fruit pit, or utensil wedged between the impellers and grind ring
- Overloaded disposal: Stuffing too much food waste in at once, especially fibrous materials like celery stalks or corn husks
- Extended run time: Running the unit for more than 60 seconds continuously without water flow
- Motor overheating: Ambient temperatures under the sink combined with heavy use can trigger the thermal switch
- Electrical issues: Voltage fluctuations or a partially tripped breaker in your electrical panel
How to Reset Your Insinkerator Step by Step
Follow this process carefully. Skipping the safety steps can result in injury or further damage to the unit.
- Turn off the wall switch that controls the disposal. If your unit is hardwired, switch off the breaker at your electrical panel. Never work on a disposal that could accidentally activate.
- Wait 3 to 5 minutes for the motor to cool down. Attempting to reset immediately after a trip rarely works because the thermal switch needs time to cool.
- Check for jams first. Use a flashlight to look down into the disposal from above. If you see an obstruction, use tongs or pliers — never your fingers — to remove it. Alternatively, insert a quarter-inch Allen wrench into the hex socket on the bottom of the unit and rotate it back and forth to free the flywheel.
- Press the reset button firmly until you feel it click into place. It should sit flush with the bottom of the unit when properly reset.
- Turn the water on and then flip the wall switch. The disposal should run normally. If it hums but does not spin, the flywheel is still jammed. If it does nothing, the overload may have tripped again immediately — repeat the cooling and clearing process.
The Allen Wrench Trick Every Homeowner Should Know
Insinkerator includes a hex socket on the bottom of every disposal unit specifically for unjamming. The socket accepts a standard quarter-inch Allen wrench, and Insinkerator ships one with every new unit. If you have lost yours, any quarter-inch hex key from your toolbox works identically.
Insert the wrench into the socket and rotate it clockwise and counterclockwise several times. You should feel resistance at first, then a release as the obstruction clears. This method is safer and more effective than trying to reach into the disposal from above. After freeing the jam, press the reset button and test the unit with running water.
Reset Button Won’t Stay In: What to Do
If the button pops back out immediately after pressing it, one of three things is happening. The motor has not cooled sufficiently — wait a full 10 minutes and try again. A persistent jam is still present and causing an instant overload — clear the obstruction using the Allen wrench method. Or the motor windings have burned out, which means the disposal needs replacement rather than repair.
A disposal that trips repeatedly over several days, even with light use and no visible jams, likely has a failing motor. Insinkerator models typically last 8 to 15 years depending on usage. Replacing a unit costs $100 to $350 for the disposal plus $150 to $250 for professional installation, though handy homeowners can swap one out in about an hour.
Preventing Future Overloads
A few usage habits dramatically reduce how often you need to reach for that reset button.
- Always run cold water before, during, and for 15 seconds after using the disposal. Cold water solidifies grease so the blades can chop it up rather than letting it coat the mechanism.
- Feed waste gradually. Small handfuls process more efficiently than dumping an entire plate of scraps at once.
- Avoid problem foods: Grease, pasta, rice, coffee grounds in large quantities, egg shells, and fibrous vegetables like artichokes are the top culprits for jams.
- Run it regularly. A disposal that sits unused for weeks can develop rust and corrosion on the flywheel, making it more prone to jamming when you do use it.
- Clean monthly by grinding ice cubes and a half cup of rock salt, followed by cold water. This removes buildup from the grind chamber walls.
When Resetting Is Not Enough
Some problems go beyond what the reset button can fix. Persistent humming without spinning usually means a seized motor bearing — replacement is the only practical solution. Water leaking from the bottom of the unit indicates a failed internal seal, and no amount of resetting will address that. Unusual grinding noises or reduced performance after a reset suggest worn impellers that no longer process food effectively.
For units still under warranty — Insinkerator covers most models for 2 to 8 years depending on the series — contact their customer support at 1-800-558-5700 before paying for a replacement. The Evolution Excel carries an impressive 7-year in-home warranty that covers both parts and labor, making it one of the best values in the garbage disposal market.
