Blower Fan On Ac Not Working

This is what i did.

Blower fan on ac not working. The blower motor is crucial to the proper function and operation of your hvac system. If the thermostat does not have continuity replace it. The fan and air conditioner unit of my car wont work. No indoor fan fan not running fan not blowing no airflow.

First make sure there is power to the indoor unit and that a switch or breaker isn t off. You can also turn off the heat and air conditioning then slide the blower switch on. For instance the belt might may have shifted out of place worn thin or become damaged. Some indoor units heat pumps have breakers right on the air handler itself.

Take two jumper leads one black and one red. If the compressor is running but the fan motor is not running the fan motor or the fan motor capacitor are likely at fault. So i decided to look for the cause and fix it. If this is the problem you will hear that the fan motor itself is indeed working but no air will be blown out of the conditioning unit.

If the motor still does not turn the motor is bad. Fortunately if this is the case you can easily remedy the problem by replacing the fan belt. Test the connection to the blower motor. Many hvac related calls are due to the blower motor not working.

Refer to your air conditioner s wiring diagram for more information. However you want to word it if your indoor fan isn t working it could be several things. You can check for this problem by listening to the ac unit when it is turned on. This is a common problem for this generation of volkswagen audi group cars.

If you can hear the blower motor running but no air coming out of the unit then it is possible the problem is. Some thermostats may also control a heater and as a result will have three terminals. If the blower comes on in this manual setting the thermostat may not be functioning properly and must be. Connect the red lead to a power source and then to the leads on the motor side of the disconnected connector.

If both the compressor and the fan motor won t run use a multimeter to test the temperature control thermostat for continuity. Connect the black lead to a ground and then to the blower motor assembly. Another reason for the fan not to blow is if the fan belt isn t working. Is your blower fan working only on the 4th speed.

If the motor turns the connector is bad. You need a new resistor block.