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Garbage disposal unit under the sink.

Why Won’t My Garbage Disposal Turn On?


December 9, 2024


A garbage disposal is one of the most convenient appliances in the kitchen, helping to quickly and efficiently manage food waste. However, when your garbage disposal suddenly won’t turn on, it can disrupt your routine and leave you wondering what went wrong. Let’s explore some of the most common reasons for this issue and what you can do to resolve it.

Common Reasons Your Garbage Disposal Won’t Turn On

When your garbage disposal stops working, it’s usually due to a simple issue that can be resolved with some troubleshooting. Understanding the common causes of this problem can save you time and help you decide when it’s necessary to call a professional plumber. Let’s break down the most frequent culprits.

Power Supply Issues

The first thing to check when your garbage disposal isn’t working is its power source. Often, the unit may not be receiving electricity due to a tripped circuit breaker or an unplugged cord. Locate the garbage disposal’s plug under the sink and ensure it’s securely connected. If that’s not the issue, check your home’s electrical panel to see if the breaker for the disposal has tripped. Reset it if necessary.

Overload Protection Triggered

Garbage disposals come equipped with an overload protector to prevent the motor from burning out. If the disposal becomes overloaded or overheated, the protector will automatically shut it off. You can reset it by pressing the red reset button located at the bottom or back of the unit. Wait a few minutes for the motor to cool down before attempting to turn it on again.

Jammed Blades

One of the most common issues that can cause a garbage disposal to stop working is a jammed blade. Foreign objects, such as utensils, bones, or fibrous food scraps, can become stuck in the disposal, preventing the motor from spinning. To fix this, turn off the power to the unit and use a wrench to manually turn the blades via the hole on the bottom of the disposal. This can help dislodge the obstruction. Never put your hand inside the unit.

Faulty Switch or Wiring

If the power supply and reset button aren’t the issues, the problem may lie in the garbage disposal’s switch or internal wiring. Faulty wiring or a malfunctioning switch can prevent the unit from receiving power. In such cases, it’s best to contact a professional plumber to diagnose and repair the issue.

Motor Failure

Over time, the motor in your garbage disposal may simply wear out. If you’ve tried all the above steps and the unit still won’t turn on, it might be time for a replacement. A professional plumber can help you choose the right garbage disposal for your needs and install it efficiently.

Troubleshooting Tips for a Non-Functioning Garbage Disposal

Before calling for professional help, you can try these simple troubleshooting steps to get your garbage disposal running again:

  • Check the Power Source: Ensure the unit is plugged in and the breaker hasn’t tripped.
  • Press the Reset Button: Locate the red button on the bottom of the disposal and press it.
  • Clear Jams: Turn off the power and use a wrench or a garbage disposal tool to manually rotate the blades and clear any obstructions.
  • Inspect the Switch: Check the wall switch to ensure it’s functioning correctly.

If these steps don’t resolve the problem, it’s time to seek assistance from a professional plumber.

Preventative Tips to Keep Your Garbage Disposal Working

  • Avoid Fibrous Foods: Foods like celery, corn husks, and potato peels can tangle in the blades.
  • Run Cold Water: Always run cold water while using the disposal to help solidify fats and oils for easier processing.
  • Clean Regularly: Use a mixture of ice cubes and salt to clean the blades and eliminate buildup.
  • Avoid Non-Food Items: Never place non-food items or hard objects like utensils in the disposal.

Garbage Disposal Services in Jacksonville and St. Augustine

If your garbage disposal still won’t turn on or you’re experiencing recurring issues, don’t hesitate to contact Lickety-Split for all your plumbing and garbage disposal needs. Serving Jacksonville and St. Augustine, our experienced team provides fast, reliable solutions to keep your kitchen running smoothly. Reach out today to schedule an appointment and let us help you tackle your garbage disposal troubles.


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