Problem Overview
A garbage disposal that stops working mid-use is one of those kitchen problems that throws off the whole day. Sometimes it hums but won’t spin, while sometimes it goes completely silent. Most of the time, the fix is simpler than expected: a jam, a tripped reset button, or an object lodged in the grinding chamber. This guide walks through how to handle it safely without causing further damage.
Tools Needed
- Garbage disposal wrench or a 1/4-inch Allen wrench
- Flashlight
- Needle-nose pliers or tongs
- Rubber gloves
- Bucket (if checking drain connections)
Step-by-Step Instructions
- Turn off the disposal completely.
Hit the wall switch to off. Do not reach into the disposal until the unit is fully powered down. Go one step further and unplug the unit from the outlet under the sink for added safety.
- Press the reset button.
Look at the bottom of the disposal unit under the sink. A small red or black button sits there. If it has popped out, press it firmly until you feel it click back in. Plug the unit back in and test. If it runs normally, the problem is solved.
- Manually free the jam.
If the reset didn’t do it, insert a garbage-disposal wrench or an Allen wrench into the hex socket at the bottom center of the unit. Crank it back and forth to free whatever is jamming the grinding plate. Keep working it until the plate moves freely in both directions.
- Remove the obstruction.
Shine a flashlight down into the grinding chamber. Use needle-nose pliers or tongs to remove any visible debris, bones, fruit pits, or foreign objects. Never use your fingers inside the chamber, whether it’s powered or not.
- Run cold water and test.
Plug the unit back in, run cold water, and switch it on. Let it run for 30 to 60 seconds. Cold water helps flush debris through the drain line and cools the motor after a jam.
- Check the drain line.
If the disposal runs but water backs up into the sink, the clog may sit in the drain line rather than the unit itself. Place a bucket under the P-trap and disconnect it to inspect and clear the blockage.
Safety Warnings
- Never put your hand inside the disposal, even when unplugged. The grinding components are sharp.
- Avoid using chemical drain cleaners in a disposal. They corrode internal components and create hazardous splashback.
- Keep children away from the sink area during the entire process.
- If the unit feels hot to the touch, let it cool down for at least 15 minutes before attempting the reset.
When to Call a Professional
Some disposal problems go beyond a simple jam. If the unit leaks from the bottom, trips the circuit breaker repeatedly, or produces a burning smell, the motor or internal seals likely need professional attention. A disposal connected to faulty drain plumbing can also cause water to back up into adjacent fixtures, which is a bigger problem than the disposal itself.
Our licensed plumbers at Sweetwater Plumbing handle kitchen plumbing issues across Ontario and the surrounding Inland Empire communities. We get in, find the problem, and fix it without unnecessary upsells or wasted time.
Got a disposal that won’t cooperate? Reach out to Sweetwater Plumbing and get your kitchen back to working order.