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.
Clicking noise window air conditioner.
We ll also discuss what you can do to fix them.
There may be something damaging the blower fan.
If the unit is making a continuous clicking noise but won t turn on it could be an electrical problem.
If the blades aren t rubbing against the housing and the fan motor is still noisy check the blower motor bearings for wear.
The thermostat may be set too low or the drain may be clogged.
If the bearings are worn replace the blower motor.
Never ignore clicking sounds coming from an air conditioner even if it cools your home nonetheless.
Window air conditioner units are heavy have lots of moving parts and are precariously mounted in window frames.
Or perhaps your indoor blower is unbalanced.
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.
Here are some of the common sounds your hvac system could make and what they may signify.
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.
As a result these units are prone to a lot of vibration if they have not been mounted correctly.
Window air conditioner sounds like popcorn a popping or crackling sound may be caused by humidity condensing or icing up on the coils.
If the clicking noise is coming from outside your home it could be a problem with the compressor.
Air conditioners have a fan blade in the front and a fan blade in the rear.
First listen for vibration noises.
Loose parts and too tight refrigerant piping can cause vibration and if left unchecked lead to a more serious maintenance issue.
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.
One of the fan blades is used to draw air through the evaporator coil and to re circulate the cooled air into the room.
Another possibility is there may be a leak in the housing and rainwater is seeping in and causing problems.
If your window air conditioner is making an unusual noise the problem could be that one of the fan blades is loose.
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.
Touch the sides of the window frame on which the air conditioner is mounted.
In this guide we ll review both the potentially harmless causes of cracking popping noises and the more serious causes.
