This is one of the most common and easy ways to know if your air conditioner blower motor is broken or not.
Carrier air conditioner fan motor not working.
If the thermostat.
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.
Put the motor and fan back into the ac unit.
If your air conditioner fan is not spinning the problem could be a faulty belt.
If both the compressor and the fan motor won t run use a multimeter to test the temperature control thermostat for continuity.
Most of the air conditioning systems that use belts are outdated units.
Air filter is blocked.
Check for loose disconnected wires.
If both the compressor and the fan motor won t run use a multimeter to test the temperature control thermostat for continuity.
If the compressor is running but the fan motor is not running the fan motor or the fan motor capacitor are likely at fault.
Some thermostats may also control a heater and as a result will have three terminals.
Does not have continuity replace it.
If the thermostat does not have continuity replace it.
Replace and tighten the screws holding the fan motor in place.
Another problem that may cause your air conditioner fan to not spin might be a belt that has either broken or became loose.
Most of these air conditioner problems require a professional.
Tighten the allen screws up securing the motor inside the squirrel cage.
If the compressor is running but the fan motor is not running the fan motor or the fan motor capacitor are likely at fault.
If you turn on your air conditioning system and find that there is no air blowing out of the ac unit or no buzz of the blower fan motor then it is possible the ac blower motor has an issue.
Your carrier air conditioning unit may fail to operate properly if its filter is dirty.
Put the fan onto the new motor shaft keeping the flat spot on the motor shaft in line with the allen set screw on the squirrel cage.
Check for a frozen fan motor motor won t turn manually when power is off.
Additional issues with the outdoor condensing unit might include a faulty compressor a failing condenser fan motor or a faulty run capacitor.
Your system s air filter traps dust dirt and other airborne pollutants to keep indoor air and internal cooling system components cleaner.
Examine the filter to see.