Air Conditioner Turned Off But Fan Keeps Running

Its normal for the fan to kick on a couple of minutes before heating starts or to stay on for a couple of minutes after cooling stops but your fan shouldnt run for hours on its own. Locate your fan limit switch and check to see if the white knob see pic below is pressed in.

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To turn it off simply change your thermostat setting to auto My Window Air Conditioner Keeps Running When Turned Off.

Air conditioner turned off but fan keeps running. Switching to the off setting does not shut down the fan and it continues to run. I had some company in town the other day and when we cut the air on it ran fine. The only way I have been able to shut the fan off is to unplug the AC power.

These same diagnostics also aid in air conditioning blower assembly diagnosis when an AC blower continues running. The fan in your AC system can run separately from the cooling component of your AC. Lets take a look at why your AC fan keeps running and what you can do to get to the root cause of the problem.

On average a thermometer lasts about 10 years. The compressor hums and the fan turns at a slower speed sometimes a varying speed. One of the most common problems that homeowners face with central AC is a unit that runs constantly.

This can cause massive power bills as well as unnecessary wear and tear on your AC unit. Pros to Running Fan on Air Conditioner Continuously. If so your switch is set to manual override or always running mode.

These two parts work together to cool your home but dont always turn on and off at the same time. Less frequent starts and stops of the fan can reduce the stress from startup and potentially help extend its lifespan. The next day I noticed that the fan was still running on it and it was blowing air but not cold air.

Its important to note that if you have your thermostat selected to the on option then your blower fan will run continuously. Anonymous I have a york system it works fine but the condensing unit shut down but the blower keeps going. When working correctly the HVAC fan turns on and off automatically as the heating and cooling cycle on and off.

The AC Operates fine and cools the rig. Blower fan wont stop Furnace fan wont stop Air conditioner fan wont stop - What to do if the blower fan wont shut off. One for the upstairs and one for the downstairs.

Get your ac fixedfor good. Pull the white button out to reset your fan limit switch to AUTO. I have a two story house with two air conditioning units.

An air conditioner fan that runs continuously is a red flag that you have an issue with your system. When your fan is set to AUTO on your thermostat it will only run when the cooling component of your AC is running when your AC system has conditioned air to. This will cause the fan to automatically turn on when the furnace is heating and shut off once the.

Then you notice the engine cooling fan is still running even though the car is turned. We mentioned earlier that there are a couple of things that turned your air conditioner into an electronic zombie. The outside unit doesnt turn-off when the thermostat turns-off the inside unit.

I use a multimeter to measure the resistance ac. Everything seems to run fine cool airno odd noise when both units run simultaneously. When the temperature reaches it goal the compressor turns off but the fan continues to run.

An air conditioner unit with this problem may cycle between the ac not turning on and switching off over and over again or it may simply stay on for hours on end. Keeping the fan on creates a more even distribution of heating and cooling circulating the air if you have cold or hot spots in your house like a bedroom above a garage. Then you notice the engine cooling fan is still running even though the car is turned off.

The fan still runs. Remember the blower fan might run a few more minutes after the cooling system has turned off. I rarely if ever use the upstairs unit because the master bedroom is downstairs and no one lives upstairs.

Thermostats do not typically go out while an air conditioner is set to the ON position but it could happen and it could explain why an air conditioner fan keeps running even if the unit is turned off. The fan will keep on running to ensure perfect air circulation in your room. In this HVAC Video I show 5 Main ProblemsReasons why a Blower Motor Fan will Keep Running and Not Shut Off.

Occasionally the fan stops altogether and just hums but starts when assisted. Sometime when I restart the system it only works for 5 minutes then the condensing unit. After a decade they may start to malfunction due to age wiring or dust accumulation.

What To Look Out For. Intermittent blower is running but condensing unit is off. Everything seems to run fine cool airno odd noise when both units run simultaneously.

Air Conditioner Fan Keeps Running When Turned Off. Why does my air conditioner keep running after the AC is turned off. This article describes what to check if the furnace or forced air blower fan does not stop when you expect it to do so.

Your HVAC fan should turn on and off with the rest of your heating and cooling system.

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