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- Power Supply Issues
A common reason a garbage disposal stops working is a power problem. This can happen if the unit is unplugged, a circuit breaker has tripped, or the wall switch is faulty. First, make sure the disposal is firmly plugged into a working outlet. If it still doesn’t turn on, check your home’s electrical panel for a tripped breaker and reset it if needed. Sometimes, loose or damaged wiring in the switch or outlet can also prevent power from reaching the unit. A plumber will carefully inspect the connections and tighten any loose wires to restore power. - Jams or Obstructions
Garbage disposals can get jammed if hard or improper items, like bones, metal utensils, or stringy food scraps (such as celery or potato peels), end up in the grinding chamber. When jammed, the blades may not spin properly, causing the motor to hum without working. To fix this, the plumber will turn off the power and use a hex wrench to manually turn the flywheel from underneath the disposal. This can help loosen any stuck debris. Never put your hands inside the disposal; instead, use tongs or pliers to remove visible blockages. - Overloading and Reset Button Activation
Putting too much waste into the disposal at once can cause it to overheat or trigger its internal safety shutoff. Most units have a reset button on the bottom. If the disposal suddenly stops, press the reset button after giving it time to cool down. Overloading can also lead to drainpipe clogs, which may require removing and cleaning the drain trap and discharge pipe. - Worn-Out or Damaged Components
Over time, parts of the garbage disposal, such as the motor, impellers, or flywheel, can wear out or break from regular use. If the unit has power but won’t turn on, the motor may have failed. In such cases, a plumber may suggest replacing the motor or even installing a new disposal unit. Regular maintenance and proper use can help extend the lifespan of these components. - Leaks and Seal Failures
Leaks can affect how well your garbage disposal works and may come from worn-out gaskets, cracked drain lines, or loose pipe connections. Check these areas for damage or signs of wear. Small cracks can sometimes be sealed with epoxy, but more severe damage may require replacing the broken parts. Also, ensure all connections are securely tightened to prevent leaks from interfering with your disposal’s function.
When to Call a Professional Plumber?
Knowing when to call a professional plumber for a broken garbage disposal can help prevent small problems from turning into expensive repairs. If your disposal won’t turn on even after checking the power, resetting it, or flipping the circuit breaker, it requires expert repair or replacement. If the blades are jammed and won’t spin, despite trying to clear them, a plumber can safely remove deep blockages without damaging the pipes.
Worn gaskets, cracks, or improper installation may cause leaks under the sink or around connections. Small cracks can sometimes be sealed, but bigger issues might require new seals or even a replacement unit. Strange noises like banging or grinding, as well as burning smells, can signal worn-out blades, motor failure, or electrical problems that need immediate attention.
If your disposal is more than eight to 15 years old and keeps breaking down, replacing it with a newer, more efficient model may be a better option. Most importantly, if you’re unsure about electrical work or handling sharp blades, it’s best to leave the repairs to a professional for safety reasons.
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Wrapping Up
A garbage disposal that is not working can be highly frustrating. However, whether the issue is major or minor, you must consider calling a professional to avoid accidents.
Contact our seasoned technicians at All Clear Plumbing for any garbage disposal issues. Call us at (281) 213-5407 to book a service.