Why is my AC not working but the fan is running?
When the ac compressor not working but the fan is running, chances are the outer unit housing the compressor isn’t receiving power. Other potential causes may include a faulty thermostat, mismatched indoor and outdoor units, or the AC may just be old.
How do I know if my air conditioner fan is bad?
Signs and Symptoms of a Bad AC Fan Motor
- The fan won’t start even though the AC is on.
- The fan won’t stop, even when you shut the AC off.
- The fan turns on, yet the blades are rotating very slowly.
- There’s a rattling noise coming from the condenser unit when the fan is turned on.
Why is my outside AC unit fan not working?
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. If you don’t hear any sounds to indicate that the compressor is working, and the fan isn’t spinning, the most common causes are a lack of power or a faulty compressor contactor.
How do I fix my AC fan noise?
Fixes for Noisy Fans Fans that produce a rattling or harsh humming noise may be loose or need cleaning. Open the air conditioner cabinet and locate the fan. Remove any debris you see on or around the blades. In some cases insulation or other items may fall into the unit and be noisy due to the movement of the blades.
How much does a fan motor cost for an air conditioner?
The average cost of a condenser fan motor is between $300 and $500 (not including installation). If the compressor breaks, you are looking at a much costlier problem which could cost up to $2000. In some cases, your fan motor may be under warranty.
Why is my AC condenser fan running backwards?
The Most Common Cause of a Reversed Motor Fan According to the experts, the most common reason for your condenser motor fan running backward is if wires are crossed. If you have had someone replace the motor or do any other kind of work on your AC lately, call them back to fix it for free.
Why does my AC fan not turn on?
While you are trying to determine what’s going on with your AC, you might find that in addition to the outside fans not spinning, the rest of the outside unit might also have a problem. It may, for instance, not turn on, have problems turning on or make unusual noises once it’s turned on.
Why does my AC fan make a humming noise?
Here’s the situation: Your AC thermostat clicks on but only warm air is coming out of your vents. You check your outside unit and notice that the outdoor unit is humming like normal but the fan isn’t spinning and is making a buzzing noise. So, what exactly is the problem?
Why is my air conditioner making a screeching noise?
A bad compressor. If the motor inside the compressor goes bad, it can cause a loud screeching noise. A faulty fan motor. Your outdoor unit has a fan that helps expel heat from refrigerant. An issue with this fan motor can create a loud screeching sound while the AC is running.
What to do if your AC is making noise?
If you feel comfortable checking your drain line yourself, turn off your system and inspect the drain line. If not, schedule an appointment with a technician. Ultimately, if your AC is making any of these air conditioning noises, don’t ignore it!