There may be something damaging the blower fan.
Clicking noise window air conditioner.
We ll also discuss what you can do to fix them.
As a result these units are prone to a lot of vibration if they have not been mounted correctly.
Loose parts and too tight refrigerant piping can cause vibration and if left unchecked lead to a more serious maintenance issue.
Here are some of the common sounds your hvac system could make and what they may signify.
Air conditioner clicking noise when off to be sure though if the clicking problem started along with any other signs of ac problems the ac cycling on and off more frequently loud rumbling noises ice or water leak issues etc then you definitely need to call a local ac repair team.
A humming sound generally isn t an indicator of a serious issue but it probably means that something inside your air conditioner is slightly out of order.
If the blades aren t rubbing against the housing and the fan motor is still noisy check the blower motor bearings for wear.
In most window air conditioners there are two fan blades attached to the fan motor.
A cracking or popping noise usually has to do with humidity or icing in your air conditioning system but not always.
A clicking air conditioner noise that starts slow and gets faster could come from an obstruction.
Banging is usually a sure sign that there s a loose or broken part a connecting rod piston pin or crankshaft inside the air conditioning compressor.
If your window air conditioner is making an unusual noise the problem could be that one of the fan blades is loose.
If the bearings are worn replace the blower motor.
Window air conditioner units are heavy have lots of moving parts and are precariously mounted in window frames.
Never ignore clicking sounds coming from an air conditioner even if it cools your home nonetheless.
Window air conditioner sounds like popcorn a popping or crackling sound may be caused by humidity condensing or icing up on the coils.
Touch the sides of the window frame on which the air conditioner is mounted.
A clicking noise that starts off slow and progresses as the unit warms up could be coming from an obstruction to the fan or a bent fan blade.
If the clicking noise is coming from outside your home it could be a problem with the compressor.
First listen for vibration noises.
Check both fan blades to ensure that they are not rubbi ng against the housing.
Or perhaps your indoor blower is unbalanced.
In this guide we ll review both the potentially harmless causes of cracking popping noises and the more serious causes.
Another possibility is there may be a leak in the housing and rainwater is seeping in and causing problems.
The thermostat may be set too low or the drain may be clogged.
If the unit is making a continuous clicking noise but won t turn on it could be an electrical problem.