If the ac fan motor is bad or the capacitor is faulty you should always contact an expert hvac technician to repair or replace parts.
Hvac condenser fan motor not working.
However there are some preliminary steps you can take to rule out other possible causes for your ac not working and confirm that the problem is indeed with the ac fan motor.
Here s an easy way to test if the fan s capacitor is bad.
So if the capacitor attached to your fan motor is bad the fan won t start spinning.
The easiest and most common way to check a unit is to quickly touch the top of it and while it should be warm it should not be very hot too hot to touch if so then there is likely a problem.
An air conditioner contactor is an electrical switch that controls the compressor and condenser fan motor.
A condensing fan motor should never be too hot to touch and be overheating on any unit whether it be a heat pump air conditioner or split system.
Do not use any kind of conductive metal or material to do this.
A c or heat pump fan condenser unit diagnosis repair.
Diagnose the problem at home with this list of common causes of a central air conditioner fan not working.
The condenser lines should be cold and the air inside the home should be cool.
If a fan blade is cracked loose or broken it can cause unusual noises due to it.
The first is an inspection of the outdoor unit to physically see if the fan is turning.
Symptoms of a central a c fan not working.
There are a few ways to tell if your a c fan is temporarily or permanently out of order.
Slide a long thin wooden stick through the fan grate and gently push one of the blades to try to get the fan spinning.
The condenser fan motor and fan are typically mounted at the top in the center of the unit and are usually visible through the fan guard or wire grill.
If the compressor is working but the fan won t turn then the problem is most likely with the motor and or capacitor.
Bell brothers northern california s hvac experts have the answers to your ac dilemmas to help you keep your cool this summer.
This article discusses the diagnosis and repair of problems with the outdoor compressor condenser fan and fan motor including fans that wont run fans that run at slow speed and fans that won t stop running our page top photo of a compressor condenser fan unit shows that a stick had fallen into the fan blocking the blades and.
If you observe the ac condenser fan not spinning on your outdoor air conditioning unit the problem is likely one of a few common things.