The Fan on My Cetral Ac Unit Stops Turning but When Its Hit on the Side It Starts Again

Having your air conditioner go along to run after you've turned it off is an event that you'll more than likely be able to resolve by utilizing the data hither. The crusade of this problem can be the event of a number of possible issues including extreme temperatures, a broken thermostat, a faulty relay switch, or fifty-fifty a damaged short circuit.

The starting time thing you demand to realize is that it'due south perfectly normal for your HVAC arrangement fan to go along to run for a few minutes after the air condition stops. However, if the fan runs past itself for more than a couple minutes, then y'all know in that location'south an issue. In that location's no reason why the fan should run for hours on terminate. A fan that runs continuously typically means there'south a bigger issue.

Before we begin, information technology's important to take a skillful understanding of the air conditioning arrangement. The blower fan in your air conditioning is a separate electrical arrangement from the cooling unit. However, they work together as a team. As the air workout system cools down, the blower fan pulls the warm air from inside of your home, runs it through the air conditioning system, so blows the now cool air back out into your abode.

When you select 'auto' on your dwelling's thermostat, which is the unremarkably setting that y'all'll use, both the blower fan and the cooling system will turn off at the aforementioned time in one case the temperature yous chose is reached.

Remember, the blower fan might run a few more than minutes later on the cooling system has turned off. It's of import to note that if you take your thermostat selected to the 'on' option, so your blower fan volition run continuously. This feature is to provide increased circulation in your dwelling. To turn the blower fan off, merely set your thermostat to the 'motorcar' option.

Air conditioner is turned off but fan keeps running

If your blower fan is continuing to run after the organisation has already turned off and you made sure your thermostat isn't set to the 'on' position, then you'll want to attempt and pinpoint the effect. Listed beneath are the three nearly mutual reasons why the blower fan continues to run subsequently the system has already turned off.

1. If information technology'southward extremely hot outside, your blower fan may continue to run. Why? The system just tin't get to the temperature that you lot set the thermostat to. This is a mutual problem for homes with an undersized cooling arrangement. In this situation, y'all can either invest in a bigger and more power cooling system, or y'all can wait until the weather get cooler outdoors. Either fashion, make sure you perform regular maintenance on your air workout. Failure to properly clean and maintain your air conditioning system can crusade it to work harder than it needs to.
2. A damaged thermostat may also be the effect. If you observe your air-conditioning and the blower fan all of a sudden start running, then the problem is more than than probable the thermostat. This is adequately inexpensive to prepare and installing a new one isn't that difficult either.
3. A short circuit or a damaged relay will definitely cause y'all to take problems. Usually when the relay switch is broken, the fan will continue to run by itself. This happens considering there's no communication between the thermostat and the blower fan. Now, if it's a curt excursion, both the 'on' and 'off' commands you enter typically won't become sent to the blower fan. As a result, the blower fan will continue to run. In either of these situations, it's best to call a local HVAC company to come out and set the issue.

The benefits of fan maintenance

To ensure that your air conditioner continues to work well, even during extremely hot days, information technology's essential to accept your system maintained at least once a year. This includes things like:

• Cleaning the filters and replacing them if need be
• Checking the refrigerant level and recharging it if necessary
• Checking the belt in addition to the tension
• Lubricating all the necessary parts
• Fully cleaning the thermostat
• Examining all the lock-out circuits in the business firm

Virtually HVAC companies volition do all these things for you. Notwithstanding, if y'all want to save some coin, change the filters yourself. In fact, to go on your organization running extremely well, it's recommended that you change the filters every month. By doing this, yous'll keep your system running well while you also ameliorate your home's indoor air quality.

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Michael Joseph has more than xx years of hands-on feel every bit an gorging home handyman and had 10 years in the construction industry, specifically in the field of HVAC.

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Source: https://www.h2ouse.org/air-conditioner-keeps-running-when-turned-off/

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