In either case we recommend calling a professional hvac technician to diagnose and remedy the problem.
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 compressor isn t working the rest of the system won t work either.
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.
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.
At compressore failure diagnosis.
The fan keeps running because the central unit has no such problem.
An ac compressor that won t turn on.
If the fan blades don t spin at all it s likely the condenser fan is not working and possibly burnt out requiring replacement.
Compressor failure commonly manifests in the following ways.
Warm or hot air is blown into the house.
If the compressor isn t starting check the wiring connecting the two units.
An air conditioner that has lost its cooling capabilities or is cooling inadequately i e.
When the ac compressor not working but the fan is running chances are the outer unit housing the compressor isn t receiving power.
Check for loose disconnected wires.
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.
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.
A capacitor stores up energy that provides power to your air conditioner s fans.
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.
While each component in a central air conditioner is critical quite simply the unit will not work if the fan is not running.
5 common reasons why your central air conditioner fan is not working.