945 Concord St Framingham MA 01701
E-mail us: info@caswellhomeservices.com
On call Monday to Friday from 8am - 5pm
Follow us:
Need Help Now? Call Us!
Framingham: (508) 875-7586
Schedule Online
Why is My Garbage Disposal Humming But Not Working?
Why is My Garbage Disposal Humming But Not Working?
by trish delatorre  /  Comment0
Why is My Garbage Disposal Humming But Not Working?

Imagine this: you’re about to clean up after dinner, but as you flip the switch to your garbage disposal, all you hear is a humming noise — and nothing happens. This common household problem is frustrating and can indicate underlying issues that need immediate attention.

A humming disposal indicates power is going to the unit, but the blades aren’t spinning. Whether the disposal is jammed, experiencing electrical issues, or facing other mechanical failures, there are specific troubleshooting and repair methods that can resolve most problems. By learning to diagnose and remedy these issues, homeowners can save time, avoid the cost of unnecessary replacements, and extend the life of their garbage disposal.

This article will delve into the reasons behind a humming garbage disposal and provide a comprehensive guide to fixing this issue. We will explore the mechanics behind the problem and how to address it, with recommendations for when to call a plumber. 

How do Garbage Disposal Work?

Garbage disposals are a staple in many kitchens, offering a convenient way to manage food waste. These devices have a motor that powers a grinding chamber. Inside this chamber, food scraps you feed down the sink drain meet  a spinning or impeller plate equipped with small, sharp blades. 

As the plate spins, it forces the food against a grind ring, which shreds it into tiny particles. This process transforms bulky food waste into fine particles that can easily pass through plumbing without causing clogs.

Water plays a crucial role in garbage disposal operation. Running water from the tap helps move ground food waste through the grinding chamber and into the plumbing system, ensuring a smooth disposal process. 

It’s a simple yet effective mechanism that helps reduce the amount of waste going to landfills and keeps kitchen sinks clean and free from clogging debris. With proper use and maintenance, garbage disposals can be an efficient and eco-friendly tool in any kitchen.

 

How Do the Parts of a Garbage Disposal Work Together?
The parts of a garbage disposal work together in a harmonious and efficient system to break down food waste into small, manageable particles that you can easily flush through the plumbing. Here’s a breakdown of how these components work:

    • Hopper Chamber: The hopper chamber houses all of the disposal’s components. There are two chambers: an upper chamber that collects food scraps and a lower chamber that shreds the food. Most parts reside within the lower chamber.
 
    • Electric Motor: The heart of the garbage disposal, this motor powers the entire unit. When activated, it spins the impeller plate at high speeds. The motor’s horsepower can vary, affecting the disposal’s grinding power and efficiency.
 
    • Impeller Plate and Grinding Blades: Attached to the motor, the impeller plate spins rapidly. Mounted on this plate are small, swiveling blades (in some models) or lugs. These do not cut food like a blender; instead, they use centrifugal force to press the food against the outer wall of the grinding chamber.
 
    • Grind Ring: This stationary component encircles the spinning impeller plate. The grind ring breaks down the food waste into very fine particles. Its design ensures the food is thorough grinds before flushing out, preventing large chunks from clogging the pipes.
 
    • Shredder Ring: Some disposals feature a shredder ring, which works with the grind ring to further pulverize food waste.
 
Diagnosing the Problem: Why is My Garbage Disposal Humming?
When your garbage disposal is humming but not grinding, it signals that the motor is still receiving power, but the disposal’s internal mechanisms are not moving. Here are the primary reasons why this might happen:
  1. Jammed Impeller Blades: The most common cause of a humming garbage disposal is jammed impeller blades. When hard objects or too much food waste gets caught between the impeller blades and the grind ring, it can prevent the blades from spinning. Although the motor tries to turn the impeller plate, the obstructions block its movement.

  2. Overheated Motor: If the disposal has been trying to grind something without success for too long, the motor can overheat and trigger an internal safety feature that shuts it off to prevent damage. While the motor is off, it may hum until it cools down.

  3. Faulty Electrical Connections: Sometimes, the issue may be with the disposal’s electrical supply. Loose wiring or a failing electrical connection can prevent the motor from operating correctly, even if it’s still making a humming sound. This problem is less common but should not be overlooked.

  4. Worn Out Motor: The motor may be the issue in older garbage disposals. Wear and tear over time can affect the motor’s ability to function, leading to a scenario where it can only hum instead of activating the impeller blades.

To diagnose the issue, first, ensure the disposal is turned off and unplugged or the circuit breaker is off. Check for visible obstructions that can be safely removed. If the problem isn’t a simple jam, it may require more in-depth troubleshooting or the assistance of a professional to address issues like motor damage or electrical faults. Regular maintenance and careful use can prevent many of these problems, ensuring your garbage disposal runs smoothly for years to come.
How to Perform Maintenance on a Garbage Disposal?
Maintaining your garbage disposal is essential to ensure it operates efficiently and lasts longer. Regular maintenance can prevent common issues like clogs, jams, and unpleasant odors. Here are some steps to keep your disposal in top condition:

    • Run It Regularly: Use your garbage disposal frequently to prevent rust and corrosion and to ensure all parts stay moving and don’t freeze up. Running cold water through the disposal helps solidify grease or oils for an easier flush.
 
    • Cold Water Flush: After each use, run cold water through the disposal for about 20-30 seconds. This helps to flush down any remaining food particles and prevents them from sticking to the components.
 
    • Cleaning: To clean your disposal, use dish soap and cold water. Pour a small amount of dish soap into the disposal, run cold water, and then turn on the disposal for a minute. For a deeper clean, you can also use ice cubes and rock salt or vinegar and baking soda.
 
    • Avoid Harsh Chemicals: Steer clear of chemical drain cleaners, as they can damage the disposal’s components. If you encounter a clog, opt for natural solutions or mechanical methods like plunging or manually turning the blades with an Allen wrench.
 
    • Deodorizing: To combat odors, grind citrus peels (like lemon or orange) in the disposal. This not only freshens the disposal but also helps to clean the blades with the natural acidity. Baking soda and vinegar can also be used for their deodorizing properties.
 
    • Inspect for Leaks: Regularly check under the sink for any signs of leaks. Catching and addressing leaks early can prevent water damage and mold growth.
 
  • Professional Inspection: If you notice decreased performance or consistent problems, it may be time for a professional inspection. A qualified plumber can identify and fix more complex issues.
Safety Precautions When Performing  Maintenance on a Garbage Disposal?
When performing maintenance on a garbage disposal, prioritizing safety is crucial to prevent injuries and ensure the task is completed effectively. Here are some essential safety precautions to keep in mind:

    • Turn Off Power: Before attempting maintenance, always ensure the garbage disposal is turned off. Unplug the unit from the electrical outlet under the sink for maximum safety, or turn off the disposal’s circuit breaker in your home’s electrical panel.
 
    • Use Tools, Not Hands: Never insert your hands or fingers into the garbage disposal, even if it’s turned off. If you need to remove debris or check for obstructions, use pliers or tongs to safely retrieve items.
 
    • Wear Protective Gear: Consider wearing safety goggles and gloves to protect your skin and eyes from any debris that might fly out during cleaning or maintenance.
 
    • Check for Sharp Objects: Before working on the disposal, visually inspect for any sharp objects like glass shards or metal pieces that might have fallen in. Carefully remove these hazards with appropriate tools.
 
    • Clear the Area: Ensure the sink and surrounding area are clear of any objects or substances.
 
    • Use Natural Cleaners: When cleaning your garbage disposal, opt for natural cleaners like baking soda and vinegar instead of harsh chemicals that can be dangerous if not used correctly.
 
    • Test the Reset Button: After maintenance, if your garbage disposal has a reset button (usually located at the bottom), press it to reset the unit. This step often resolves simple issues like overheating.
 
    • Know When to Call a Professional: If the problem persists after basic maintenance, or if you encounter complex issues like electrical faults or deep clogs, it’s safer to call a professional plumber. Attempting to fix serious problems without the proper knowledge or tools can lead to injuries or further damage to the disposal.
 
How to Repair Garbage Disposal Humming: A Step-by-Step Guide?
A humming garbage disposal indicates that the motor is powered, but the blades are not moving, usually due to a jam or obstruction. Here’s a step-by-step guide to troubleshooting and fixing humming garbage disposal.  

Step 1: Turn Off the Power

Safety first. Ensure you turn off the disposal at the switch. For added safety, unplug it from the outlet under the sink or turn off the breaker that powers the disposal. This step prevents accidental activation while you’re working.

Step 2: Identify the Problem

Use a flashlight to look inside the disposal for any signs of obstruction. Common culprits include large food particles, glass, metal, or bone fragments that can block the impeller blades.

Step 3: Clear the Jam

Most disposals have a manual hex (Allen) key slot at the bottom. Insert an appropriately sized Allen wrench and turn it back and forth. This manual turning can dislodge whatever is jamming the blades. If you can see the obstruction, use pliers or tongs to remove it carefully. Never use your hands to reach inside the disposal.

Step 4: Reset the Garbage Disposal

After clearing the jam, locate the reset button on the bottom of the disposal unit. If the disposal overheats, this button will pop out. Press it to reset the disposal. This often resolves the issue if the disposal stops working due to overheating or overloading.

Step 5: Restore Power and Test

Plug the disposal back in or turn the breaker back on. Run cold water and then turn on the disposal. The humming should terminate, and the blades should spin freely. If the disposal is still humming, repeat the steps to ensure there are no additional jams.

Step 6: Check for Electrical Issues

If the problem persists and there are no jams, the issue might be electrical. Inspect the power supply, switch, and connections. If uncomfortable with electrical work, contact a professional.

Step 7: Seek Professional Help

Persistent issues after following these steps suggest a more complex problem, possibly with the disposal’s motor or internal wiring. At this point, it’s best to consult a professional plumber or appliance repair technician.

Beyond the Hum: When to Call a Professional?
While many garbage disposal issues can be resolved with DIY methods, certain situations require the expertise of a professional. Knowing when to call a plumber or appliance repair technician can save you time, prevent further damage, and ensure safety. Here are scenarios that signal it’s time to seek professional help.

Persistent Humming or Non-Operation

If your garbage disposal continues to hum or doesn’t operate after attempting to clear a jam and resetting the unit, this could indicate a more serious issue. These issues include motor failure or internal electrical problems that are not accessible or repairable by the average homeowner.

Water Leaks

Water leaking from the garbage disposal or any of the connecting pipes is a sign of a potential crack in the unit, loose fittings, or seal issues. While you can fix some leaks by tightening connections, others may require parts replacement or a new disposal installation.

Frequent Resets

Needing to hit the reset button on your disposal frequently or dealing with regular jams and clogs suggests an underlying issue that needs professional attention. This issue could be due to improper installation, a failing motor, or another component that’s wearing out.

Unusual Noises

Sounds other than the typical humming, such as loud grinding, clattering, or screeching, can indicate broken parts, a detached mounting ring, or foreign objects lodged too deeply to be removed without disassembling the unit.

Bad Odor That Won’t Go Away

Persistent unpleasant odors, despite thorough cleaning, can indicate trapped food waste within the disposal that normal cleaning methods aren’t fixing. If necessary, a professional can dismantle the unit to clean it thoroughly.

Diagnose and Fix Unique Plumbing Issues with Caswell Heating and Plumbing?

Navigating the complexities of garbage disposal maintenance and repair reveals that some issues extend beyond the reach of DIY fixes. Whether it’s persistent humming, water leaks, unusual noises, or just a system that’s seen better days, the need for professional intervention becomes apparent.

In these situations, Caswell Heating and Plumbing is your garbage disposal solution in Massachusetts. We understand the inconvenience and potential hazards associated with garbage disposal issues. That’s why we’re committed to providing prompt, effective solutions that restore your peace of mind and the functionality of your kitchen.

Don’t let a humming garbage disposal disrupt your daily routine or compromise your safety. Contact Caswell Heating and Plumbing today for a comprehensive evaluation and the highest standard of professional care. Let us take the worry off your hands, ensuring your garbage disposal system works flawlessly and efficiently for years to come.

Tags:
Recent Posts
Apr
08
by trish delatorre / Comment0

Why is My Garbage Disposal Humming But Not Working?

Archives
Categories
Skip to content