Do you have central air conditioning in your home that is running, but you feel warm air coming out of your vents? If so, you'll want to know what to do to troubleshoot it.
Check The Circuit Breaker
You should always troubleshoot a problem by starting with the easiest solution. If air is blowing out of your vents, then you know that you have power running to the air handler in your home. However, the circuit going out to the outdoor compressor may have tripped. Check out the fuse box and make sure that it is in the on position. If the circuit is tripped, it will be in the middle of the on and off positions to indicate it wasn't manually turned off.
However, if a tripped circuit breaker is the problem, you'll need to figure out why that circuit is tripping. It could be something as simple as too small of a circuit breaker for the air conditioner. Bring in a professional to look into this problem further if the circuit breaker keeps tripping.
Check The Fan
You'll want to make sure that the fan is working because it could cause your compressor to overheat if it's not working. Turn on the air conditioner and take a look at the compressor fan motor to make sure that it is spinning. If that fan is stuck, you'll need to have it repaired or replaced by a professional to get it going again.
Clean The Compressor
Is the outside of the compressor filthy from not being cleaned over the years? The unit may not be getting the ventilation it needs to run cool. You'll want to shut down power to the unit and clean the fins where the air passes through. A dirty compressor is a simple problem that can cause the unit to overheat and shut down, but the fan will still be blowing inside your home and moving around warm air.
Check The Condenser Coil
There is a condenser coil inside your home that helps remove the heat from the air so that it feels cool. However, a condenser coil may be covered in ice for various reasons, preventing it from working properly. Two common reasons are a dirty coil or a refrigerant leak. If the coils are dirty, you can likely clean them on your own with a foam cleaner. If the coils are not dirty, you'll need professional help finding a potential refrigerant leak.
Contact a local HVAC contractor to learn more about AC repair and troubleshooting.
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