How to Tell When the Garbage Disposal Needs Service
A kitchen's garbage disposal is a convenience that's easy to take for granted, until it stops working. This powerful appliance effectively handles many food scraps, grinding them up small enough to travel through the pipes, keeping the kitchen clean and the plumbing clear. However, garbage disposals can experience problems, and ignoring the warning signals can turn a minor fix into a major plumbing disaster. This post discusses some of the most common signs that it's time to call a professional for garbage disposal repair or replacement.
Strange Noises or Bad Smells
A garbage disposal is not meant to be silent when operating, but if it starts making sounds beyond its normal operational noise, it’s a clear warning sign of an issue. Unusual noises, such as a high-pitched screeching, a loud grinding or rattling, or a persistent low-volume humming without actually grinding the food, often indicate a problem. Screeching or grinding may indicate foreign objects caught in the impellers, while rattling could indicate loose components. Garbage disposal humming sounds without the unit spinning or grinding food may indicate a jam, or the motor may be dead. These strange sounds are a signal to call a plumbing professional to address the obstruction or mechanical failure.
Beyond strange noises, foul odors emanating from the kitchen sink and disposal unit are another common indicator of an issue. A persistent, rotten smell can indicate trapped food particles, grease buildup, or bacterial growth within the unit's grinding chamber or drain lines. If a thorough cleaning doesn't eliminate the stench, the odor may be a symptom of an internal problem that is causing food to get stuck.
Leaks
A leaking garbage disposal under the sink is a clear sign that a garbage disposal replacement or repair is needed. The location of garbage disposal leaks is often a clue to the severity of the problem. A leak originating from a seal failure or loose mounting bolts can often be easily fixed, creating a watertight connection. However, leaks from the cracks in the unit often require replacing the garbage disposal.
Any water leakage necessitates immediate attention to prevent water damage to the cabinetry and mold growth. Identifying the source of the leak and the best fix demands professional expertise. While minor leaks can sometimes be addressed by tightening mounting bolts, leaks from the internal body usually signify that the unit is past the point of simple repair. Internal corrosion or damage to the grinding chamber can compromise the unit's watertight construction, making replacement the only viable, long-term solution.
It Won't Turn On or Needs Frequent Resets
When a garbage disposal won’t turn on, the problem is often electrical, mechanical, or an indication that the unit's internal thermal overload protector has tripped. The first troubleshooting step for a non-responsive unit is usually checking the electrical circuit breaker to ensure it has power, then the disposal’s dedicated reset button, typically located on the bottom or side of the housing. If the unit turns on after hitting the garbage disposal reset button but trips again shortly after, or if the unit won't respond to the reset button at all, it signals a deeper issue. A disposal that requires frequent resetting or won't power up despite having electricity needs professional attention to resolve.
Having to frequently press the reset button is a strong indication that the disposal is struggling. Continuous tripping of the thermal overload protector suggests either chronic jamming from improper use, such as trying to grind materials that shouldn’t go down a disposal like bones, coffee grounds, and more, or a unit that is simply aging out and can no longer handle what is required. For older disposals, the motor may be wearing down, or internal components may be corroded, causing excessive friction. While occasional resets are normal for major jams, a pattern of frequent resets indicates that professional inspection and a repair or replacement is necessary.
About Zing Plumbing
Zing Plumbing is a reliable commercial and residential plumbing company serving Tucson and the surrounding communities. They provide flat-rate pricing, a satisfaction guarantee, and emergency service. Call them for kitchen plumbing and garbage disposal installation and repair services in Tucson, AZ.
