Carrier Air Conditioner Fan Motor Not Working

If the thermostat does not have continuity replace it.

Carrier air conditioner fan motor not working.

Buildup on the filters blocks airflow and causes the air conditioner to shut down. Most of the air conditioning systems that use belts are outdated units. Air filter is blocked. Additional issues with the outdoor condensing unit might include a faulty compressor a failing condenser fan motor or a faulty run capacitor.

Another problem that may cause your air conditioner fan to not spin might be a belt that has either broken or became loose. Tighten the allen screws up securing the motor inside the squirrel cage. Most of these air conditioner problems require a professional. 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 the thermostat. Another common and easily remedied situation that sometimes results in a central air conditioner fan not working is a dirty clogged air filter. Examine the filter to see. Some thermostats may also control a heater and as a result will have three terminals.

If both the compressor and the fan motor won t run use a multimeter to test the temperature control thermostat for continuity. Your system s air filter traps dust dirt and other airborne pollutants to keep indoor air and internal cooling system components cleaner. If both the compressor and the fan motor won t run use a multimeter to test the temperature control thermostat for continuity. This is one of the most common and easy ways to know if your air conditioner blower motor is broken or not.

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 your air conditioner fan is not spinning the problem could be a faulty belt. As was the case with evaporator coil issues a condensing unit might have an excessively dirty coil or refrigerant leakage. Check for loose disconnected wires.

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. Does not have continuity replace it. Replace and tighten the screws holding the fan motor in place.

Put the motor and fan back into the ac unit.