If the blades aren t rubbing against the housing and the fan motor is still noisy check the blower motor bearings for wear.
Clicking noise window air conditioner.
Window air conditioner sounds like popcorn a popping or crackling sound may be caused by humidity condensing or icing up on the coils.
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.
In this guide we ll review both the potentially harmless causes of cracking popping noises and the more serious causes.
Just like putting a stick in a window fan the click will occur every time the blades hit that obstruction until either the obstruction or the blade breaks away.
Window air conditioner units are heavy have lots of moving parts and are precariously mounted in window frames.
If the bearings are worn replace the blower motor.
Check both fan blades to ensure that they are not rubbi ng against the housing.
Or perhaps your indoor blower is unbalanced.
Here are some of the common sounds your hvac system could make and what they may signify.
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.
Loose parts and too tight refrigerant piping can cause vibration and if left unchecked lead to a more serious maintenance issue.
One of the fan blades is used to draw air through the evaporator coil and to re circulate the cooled air into the room.
We ll also discuss what you can do to fix them.
Air conditioners have a fan blade in the front and a fan blade in the rear.
In most window air conditioners there are two fan blades attached to the fan motor.
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 your window air conditioner is making an unusual noise the problem could be that one of the fan blades is loose.
As a result these units are prone to a lot of vibration if they have not been mounted correctly.
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.
Never ignore clicking sounds coming from an air conditioner even if it cools your home nonetheless.
First listen for vibration noises.
There may be something damaging the blower fan.
A clicking air conditioner noise that starts slow and gets faster could come from an obstruction.
Touch the sides of the window frame on which the air conditioner is mounted.
If the clicking noise is coming from outside your home it could be a problem with the compressor.
