If the condenser unit fan won t start at all check for power to the unit and to the fan motor and that all of the controls are calling for cooling or heat pump operation.
Central air conditioner condenser fan not working.
A compressor that shakes or stutters when it s turned on otherwise known as hard starting.
If the fan blades don t spin at all it s likely the condenser fan is not working and possibly burnt out requiring replacement.
While each component in a central air conditioner is critical quite simply the unit will not work if the fan is not running.
Once the fan motor breaks down the ac will stop blowing cold air and that s something you don t want on a hot summer s day.
Check for a frozen fan motor motor won t turn manually when power is off.
Your capacitor could be the reason your air conditioner fan is not spinning the purpose of a capacitor is to store energy that s in return used to power your cooling system.
At compressore failure diagnosis.
When the ac compressor not working but the fan is running chances are the outer unit housing the compressor isn t receiving power.
An air conditioner that has lost its cooling capabilities or is cooling inadequately i e.
The are a lot of things that can contribute to your capacitor breaking down on you but once it does your air conditioner fan will stop working.
5 common reasons why your central air conditioner fan is not working.
A capacitor stores up energy that provides power to your air conditioner s fans.
In either case we recommend calling a professional hvac technician to diagnose and remedy the problem.
Warm or hot air is blown into the house.
Vibration or noisy operation would signal the fan blades are likely out of balance.
Because the fan motor is one of the hardest working parts on an air conditioner it is subjected to a lot of wear and tear that can lead to frequent repairs or replacement.
The fan keeps running because the central unit has no such problem.
If the compressor isn t starting check the wiring connecting the two units.
An ac compressor that won t turn on.
However your capacitor can go bad for various reasons and stop working properly which will force one of your system s fans to stop spinning.
Fans in the central a c both pull air out of the room to be conditioned and have humidity removed and also push chilled air through the vents throughout the house.