Why does the fan stop running when the AC is off?
There is a motor inside the compressor and is evident if it is running when the fan is off. If everything goes quiet then I must assume the compressor is off and is warm from when it ran. Before moving forward – there are no sounds from outdoor unit when it shuts off?
When do you Know Your AC fan motor is bad?
If the compressor is working but the fan blades are not spinning, the motor is faulty. That’s your cue to turn the system off and call the pros to repair the AC fan motor. Replacing an HVAC motor is a job that can be done quickly once the problem is identified.
How does a dual shaft AC fan work?
Dual Shaft Fan Motor – Check the dual shaft fan motor or the circulation fan motor for any problems or defects. This part has two blades: one on each side of the motor. On one side, the fan blade works by drawing in outside air over the condensing coil. This process is done so the unit can successfully dissipate the heat.
What should the temperature of an AC fan be?
Condenser fan motors all have a temperature stipulated by the AC manufacturer at which it can operate safely and problem-free. In most cases, the ideal temperature is around 150 degrees Fahrenheit. If you are near the condenser unit and it feels hotter than usual, it indicates that the fan motor may be overheating.
Why is my AC fan not spinning when I turn it on?
If you have a bad capacitor, it may take a while for the fan blades to start spinning once you turn on the unit. To test it, use a screwdriver or branch to poke through the condenser unit’s vents. Gently push on one of the fan blades. If it starts spinning, then the issue is the capacitor.
When do I Turn Off the AC fan?
If I wait until way later (hours), the fan will start with the unit and run another 20-25m before turning off (while the unit is still running). Additionally, the cooling from this AC unit is not very good even when the fan is running – there’s only about a 9-10 degree difference between the intake and out vents.
Is it normal for an air conditioner fan to keep running?
The first thing you need to realize is that it’s perfectly normal for your HVAC system fan to continue to run for a few minutes after the air condition stops. However, if the fan runs by itself for more than a couple minutes, then you know there’s an issue.
Why does my air conditioner keep running when the thermostat is off?
Usually when the relay switch is broken, the fan will continue to run by itself. This happens because there’s no communication between the thermostat and the blower fan. Now, if it’s a short circuit, both the ‘ on ’ and ‘ off ’ commands you enter typically won’t get sent to the blower fan. As a result, the blower fan will continue to run.