Carrier Air Conditioner Fan Motor Not Working

Replace and tighten the screws holding the fan motor in place.

Carrier air conditioner fan motor not working.

Most of the air conditioning systems that use belts are outdated units. Check for a frozen fan motor motor won t turn manually when power is off. As was the case with evaporator coil issues a condensing unit might have an excessively dirty coil or refrigerant leakage. Your system s air filter traps dust dirt and other airborne pollutants to keep indoor air and internal cooling system components cleaner.

Air filter is blocked. Check for loose disconnected wires. Buildup on the filters blocks airflow and causes the air conditioner to shut down. Your carrier air conditioning unit may fail to operate properly if its filter is dirty.

This is one of the most common and easy ways to know if your air conditioner blower motor is broken or not. If your air conditioner fan is not spinning the problem could be a faulty belt. Tighten the allen screws up securing the motor inside the squirrel cage. If both the compressor and the fan motor won t run use a multimeter to test the temperature control thermostat for continuity.

Does not have continuity replace it. Most of these air conditioner problems require a professional. 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. 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.

Some thermostats may also control a heater and as a result will have three terminals. 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. If the thermostat. Additional issues with the outdoor condensing unit might include a faulty compressor a failing condenser fan motor or a faulty run capacitor.

Put the motor and fan back into the ac unit. If the thermostat does not have continuity replace it. Examine the filter to see. If the compressor is running but the fan motor is not running the fan motor or the fan motor capacitor are likely at fault.

Another problem that may cause your air conditioner fan to not spin might be a belt that has either broken or became loose.