2 Noises Indicating A Problem With Your Home’s Heat Pump System That Requires Repairs
Normally, when your home's heat pump is running, you should not hear any noises coming from it. With the exception of an initial clicking noise when it kicks on, the heat pump should be quiet enough that you do not hear it unless you are standing next to it.
However, if there is an issue with the system, you may start hearing odd noises every time the heat pump is in operation. Below are a couple of noises that indicate a problem with the system that will require repairs from a professional technician.
1. Flapping Noise with Repetitive Rubbing Sounds Means the Fan Belt Is Loose or Broken
One noise that indicates an issue with the heat pump is a loud flapping noise that is heard throughout its operating cycle. Along with the flapping sound, you may also hear a repetitive running noise that occurs at regular intervals.
If you are hearing this sound, the usual culprit is an issue with the fan belt. It may have become loose or may be broken, which is allowing parts of it to strike the interior sides of the heat pump. Since the thumping of the belt against other parts of the pump can cause additional damage, you need to have an HVAC repair technician replace the belt as soon as possible.
2. High-pitched Screeching Noise Usually Means the Central Fan Motor Is Low on Lubricant
Another sound that indicates an issue with your home's heat pump is a loud, high-pitched screeching noise. As soon as the pump's fan turns on, you will hear this sound until the fan turns off.
If you are hearing the screeching sound, this usually means that metal is scraping against metal. If this is the case, the central fan motor's moving parts are low on lubricant. Because metal without lubricant will create a lot of heat from friction, you need to have a professional investigate the noise before the internal components of the heat pump are damaged.
While the flapping and rubbing sounds usually indicate an issue with the fan belt and high-pitched screeching means the central fan motor is low on lubricant, there is always a chance that something else is causing the noises. Because there may be other problems, you should not try to fix the issue yourself. Instead, contact an HVAC contractor who offers heat pump system repair services to make an appointment for a service call.
For more information on heat pump repair, contact a professional near you.