If your InSinkErator garbage disposal is hot or has shut off due to overheating, the first step is to let the motor cool down for at least 3 to 20 minutes
. Overheating is often caused by a jam or overuse, which trips the unit's internal thermal overload protector to prevent permanent damage. Step-by-Step Fix for an Overheated Unit Turn Off the Power:
Switch off the wall switch and, for safety, unplug the unit or turn off the circuit breaker at your electrical panel. Allow it to Cool:
Wait for the motor to cool down. InSinkErator recommends at least 20 minutes for some newer models that reset automatically. Check for Jams:
Use a flashlight to look into the sink opening. If you see an obstruction (like a bone or silverware), use tongs or pliers—never your fingers—to remove it. Manually Free the Blades:
Insert the specialized InSinkErator Jam-Buster™ wrench (or a standard 1/4-inch Allen wrench
) into the hex socket at the very bottom center of the unit. Rotate it back and forth until the internal plate spins freely. Press the Reset Button:
Locate the small red square button on the bottom of the unit. If it has popped out about a quarter-inch, press it firmly until it clicks and stays in.
Note: Some newer models (like the Evolution 1300) may lack a physical button and reset automatically after 20 minutes Test the Unit:
Turn on a cold stream of water and flip the wall switch. It should now run normally.
Here’s a concise troubleshooting write‑up for “how to fix a hot InSinkErator garbage disposal” (the unit feels hot to the touch, or hot water/smells are coming from it).
InSinkErator disposals are not designed to be user-serviced internally. If the disposal:
Replace it. A new InSinkErator Badger or Evolution series is often easier and safer than trying to fix an internal motor failure.
Quick summary:
To fix a hot or overheating InSinkErator garbage disposal, you must allow the motor to cool and reset the internal thermal protector. When these units overheat—often due to constant use or a jam—the built-in overload switch trips to prevent motor damage WebstaurantStore Immediate Recovery Steps Turn Off Power
: Flip the wall switch to the "OFF" position or unplug the unit from the outlet under the sink for safety. Cool Down (Critical) 10 to 20 minutes how to fix a insinkerator garbage disposal hot
. If you try to reset it while the motor is still too hot, the reset button will not stay in. Find the Reset Button
: Locate the small, red square button on the bottom of the unit facing the floor. Reset the Unit
: Once cool, gently press the red button in. You should hear or feel a "click". If it pops back out immediately, wait another 10 minutes and try again. Troubleshooting Persistent Heat If the unit is hot and making a humming sound
, it is likely jammed, which causes the motor to work harder and overheat.
If your InSinkErator garbage disposal is hot to the touch and not working, it has likely triggered its thermal overload protector
. This safety feature shuts off power to prevent the motor from burning out when it encounters too much resistance or runs for too long. Immediate Fix for an Overheated Unit
If your InSinkErator garbage disposal is getting hot to the touch or has suddenly shut down due to overheating, it’s usually a sign that the motor is working too hard or has hit a safety limit.
Fortunately, most InSinkErator units are designed with an internal "circuit breaker" called an overload protector that prevents the motor from burning out. Here is the step-by-step guide to fixing and preventing an overheated disposal. 1. Let the Unit Cool Down
The most important first step is patience. If the motor is hot, the internal thermal protector has likely tripped.
Turn off the power: Flip the wall switch to "Off" or unplug the unit.
Wait 15–20 minutes: The motor needs this time to cool down before the internal sensors will allow it to restart. 2. Press the Red Reset Button
Once the unit is cool, you need to manually reset the overload protector. Garbage Disposal Not Working? | Roto-Rooter Blog
Fixing an InSinkErator garbage disposal that is running "hot" typically involves addressing an overheated motor
that is causing the motor to work too hard. When the unit overheats, an internal overload protector trips to prevent permanent damage. Appliance Parts Pros Core Steps to Resolve Overheating Cool Down the Unit
: Turn off the power switch and allow the disposal to cool for 10 to 20 minutes Clear Any Jams : Insert an InSinkErator "Jam-Buster" wrench 1/4-inch Allen wrench If your InSinkErator garbage disposal is hot or
into the center hole at the bottom of the unit. Turn it back and forth until the impellers spin freely. Reset the Overload Protector : Locate the small red reset button
on the bottom of the disposal. If it has popped out about 1/4 inch, press it back in until it clicks. Restore Power
: Turn on the cold water first, then flip the power switch back on to test the unit. Eyman Plumbing Heating & Air
The Mechanics of Heat: An Essay on the InSinkErator's Struggle
The modern kitchen is a marvel of hidden labor, and few components work harder—or more invisibly—than the InSinkErator garbage disposal. When a disposal begins to run "hot," it is not merely a mechanical failure; it is a physical manifestation of a system pushed beyond its design limits. To "fix" it is to understand the delicate balance between electrical energy, physical resistance, and thermal management. The Origin of Thermal Distress
An InSinkErator motor typically runs hot for three primary reasons:
To fix an InSinkErator garbage disposal that is "hot"—meaning the motor is overheating, humming without spinning, or has tripped its internal thermal protector—follow these steps. 🛑 Safety First
Turn off the power. Unplug the unit or flip the circuit breaker. Never put hands inside. Use tools to clear jams. 🛠️ Step-by-Step Fix 1. Reset the Thermal Protector
When the motor overheats, a red button on the bottom of the unit pops out to cut power. Let the unit cool for 5 minutes.
Locate the small red button on the very bottom of the disposal. Press it in. If it stays in, the circuit is reset. 2. Manual Unjamming
If the unit hums but doesn't spin, a foreign object is likely stuck.
Locate the hex hole (Allen wrench socket) in the center of the unit's bottom.
Insert a 1/4-inch Allen wrench (InSinkErator usually includes one).
Crank the wrench back and forth until the motor shaft spins freely 360 degrees. 3. Clear the Chamber Use a flashlight to look down the drain.
Use tongs or pliers to remove the obstruction (bones, fruit pits, jewelry). 4. Test the Unit Turn the water on cold. Plug the unit back in or flip the breaker. Pulse the power switch briefly to ensure it spins. 💡 Troubleshooting Tips Trips immediately after resetting (once cool) Makes loud
Humming but no movement: Likely still jammed. Repeat the Allen wrench step.
No sound at all: Ensure the red reset button is fully pressed and the breaker hasn't tripped.
Still overheating: If it resets but gets hot immediately without a jam, the motor bearings may be failing.
📍 Pro Tip: Always run cold water while grinding to keep the motor cool and solidify fats for easier chopping.
The kitchen smelled like a lemon grove masking a crime scene. Max stared at the sink, where his InSinkErator sat silent and stubborn. It hadn’t just jammed; it had died mid-grind after a marathon of potato peels, and now it felt radiatingly hot to the touch.
“Overheated,” Max muttered, pulling his hand back. He knew the drill: when the motor works too hard, the internal thermal overload kicks in to prevent a fire.
First, he played it safe and turned off the wall switch. He wasn't sticking his hand in a metal throat while it was still "live."
He waited twenty minutes. He grabbed a beer, letting the motor’s internal sensors cool down. Once the housing felt room-temp, he crawled into the dark cavern under the sink. He found the tiny red reset button at the very bottom of the unit. He pressed it. Click. Progress. But it wasn't fixed yet.
He grabbed the Jam-Buster wrench (that silver, L-shaped hex key) and slotted it into the hole at the bottom center of the disposal. He cranked it back and forth. It was stiff, then—crunch—it swung freely. He’d broken the clog's back.
Max fished out a stray cherry pit with tongs, flipped the power back on, and ran the cold water full blast. He flicked the switch. The InSinkErator roared to life, humming a sweet, mechanical tune of victory.
Are you currently dealing with a humming sound or is the unit completely silent when you flip the switch?
You will need:
This is a classic sign of a ground fault or a burnt-out motor.
A jam forces the motor to draw high current → heat buildup.
Tools needed:
Procedure: