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Three Common, but Easily Corrected, Problems That May Keep Your Air Conditioner From Working

In Florida’s hot and humid climate, a functioning air conditioner is a necessity for comfort and safety. That’s why if your air conditioner isn’t providing cold air, you may be ready to hit the panic button.
However, there are a lot of reasons why a central air conditioning system will fail to work, and not all of the causes are serious. In fact, many of the causes can be successfully addressed by homeowners with just a few minutes of detective work and a little elbow grease.
Below are three common minor problems that will prevent your air conditioner from working as it should, as well as what you can do to get your air conditioner working again.

Thermostat Setting Error

Before you pick up the phone to call a technician for help, take a few minutes to look at your thermostat. While most thermostats aren’t particularly complicated, some programmable models can present homeowners with multiple options. If you aren’t familiar with how these models function, incorrect settings can prevent the air conditioner from operating or cooling.
For example, a relatively common mistake made by homeowners is to set thermostats to the “fan” setting instead of the “auto” setting. The purpose of the “fan” setting is to initiate a continuous flow of air, but the system does not provide cooling functionality in this setting.
The “auto” setting is intermittent, and it directs the system to cycle the compressor as needed to cool the air. Therefore, if you are receiving a steady flow of uncooled air, take a closer look at the thermostat to ensure it is set to the “auto” mode.

Electrical Panel Problem

Another possible reason why an air conditioner won’t function is a problem at the home’s main electrical panel. Your home’s central air conditioning system is tied to its own dedicated electrical circuit, which, in turn, is governed by a breaker or fuse located in the panel. If a breaker trips or a fuse burns out, then you won’t be able to power on the air conditioner.
This is why you should check the panel for a tripped breaker or burned fuse. For homes equipped with breaker switches, turn the switch to the “off” position, then flip it all the way toward the “on” position. This action will ensure the breaker is completely reset.
If your home is equipped with a fuse panel, be sure to replace the burned fuse with one that is rated at the same amperage level. Using a fuse with a higher amperage rating can result in damage to your air conditioner and can even cause a fire.

Disconnected Power at the Outside or Inside Unit

If your air conditioning system won’t turn on, another possible cause may be a lack of power at either the outside or inside unit. Both units are connected to the home’s wiring and utilize separate electrical switches to turn the power on and off.
The inside unit’s electrical circuit is routed through a switch typically like those found inside homes. Turn the switch back to the “on” position if it has been flipped to the “off” position.
The outside unit is governed by a power switch located next to the unit; it is much more robust than the indoor unit switch due to higher power loads. Your system’s outdoor unit switch is either a pull-down switch or a pull-out model.
If your system uses a pull-down switch, be sure to check that it is in the “on” position. Likewise, if your system is equipped with a pull-out switch, double-check that it is firmly engaged in its socket by pushing it into place.
If you have questions about your home’s central air conditioning system, be sure to contact Action Air of Florida for assistance. Their team of professionals is ready to help you with whatever needs you may have.


    501 N. Hudson St.
    ​Orlando, FL 32835

    Phone: 407-521-0400

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