Why is my AC outside unit not turning off?

Stuck contactor in outdoor unit (most common): Over time the contacts can become pitted and worn. They can even weld shut so the outdoor unit can’t turn off. Just like spark plugs in your car, the contactor unit should be replaced every few years as part of your maintenance program on your AC system.

What happens if your air conditioner fan is not working?

If an air conditioner unit condenser fan isn’t working, it will prevent your air conditioner from cooling your home. If you continue to try to run your air conditioner with a broken condenser fan, it can damage your air conditioning system and lead to more repair needs.

Why does my HVAC fan run when in cool mode?

I can also turn the fan mode to “on” and the fan will run. However, if the system is in cool mode and the fan is set to ‘auto’, nothing happens. I swapped out the circuit board, but the same problem persist.

What to do if your indoor fan isn’t working?

However you want to word it, if your indoor fan isn’t working it could be several things. We will go over a few things to check before calling for service. First make sure there is power to the indoor unit and that a switch or breaker isn’t off. Some indoor units (Heat Pumps) have breakers right on the Air Handler itself.

Can a heat pump fan be set to ” on “?

I have a Rheem RHPL-HM2421JC air handler, a Rheem 1.5 ton heat pump condensing unit, and a comfort control thermostat. The heat and fan worked well over winter. I can also turn the fan mode to “on” and the fan will run. However, if the system is in cool mode and the fan is set to ‘auto’, nothing happens.

Why is my AC not working but fan is running?

In most cases, if the AC is not working, the root of the problem often traces back to the HVAC compressor. The heat of summer can be intense, and the worst thing that can happen is finding yourself with a malfunctioning HVAC compressor. A working AC will provide you with nice and cold air as opposed to bearing the brunt of warm, dry air.

What to do when your HVAC unit is running but not cooling?

First, turn off the power to your HVAC unit. Your filter will be located in the air handler cabinet, and will be easily accessible from the door on the front. Consider investing in a washable filter. High quality washable filters may last you up to 15 years, which should last you through the full lifespan of your air conditioning unit.

What does it mean when your AC compressor is not working?

If your AC compressor is not functioning, here are some situations you may face: Warm, dry air coming from the running fan. The circuit breaker keeps tripping. The compressor stops altogether. Strange noises and shaking from the outdoor unit.