Troubleshooting a Malfunctioning AC Unit

Air conditioners, unfortunately, don’t always operate seamlessly. Sometimes, over the course of your AC’s lifespan, you may run into problems. If your AC unit is operating poorly, especially during a hot summer day here in Loveland, you may struggle to stay cool and comfortable in your home. 

To help you quickly resolve a malfunctioning AC unit, especially when the weather heats up, we’ve compiled some troubleshooting tips. By understanding and identifying the most common air conditioner problems, you can more effectively schedule Loveland AC repairs as needed. 

Problem: The A/C Isn’t Producing Cool Air. 

If your air conditioner seems to no longer be producing cool air, your household will suffer on the hottest days of the year. There are many reasons why air conditioners may stop producing cold air, many of which can be promptly resolved. 

Here’s what you should check if your air conditioner isn’t producing cold air:

  • The thermostat

First off, check the thermostat. The problem may not be with your air conditioner, but with the thermostat instead. First trying turning down the temperature on the thermostat. 

  • The condenser

The AC condenser removes heat from the air in your home to effectively cool it down. That hot air must be released outside by the condenser. If the condenser is obstructed or dirty, it won’t effectively remove heat from your home and it will force your AC to work harder. This may ultimately diminish the lifespan of your air conditioner. 

  • The filter

If your air conditioner’s filter is dirty, it will lower the efficiency of the unit and may lead to inefficient cooling. A clogged filter could be the reason behind diminished cooling from your AC, and it’s an easy fix. Simply change or clean the filter, depending on your AC model. This should be done about once every three months to keep your AC running as efficiently as possible. Keep in mind that if you have pets, you’ll need to replace the AC filter more frequently.

  • The evaporator coil

If your AC unit is no longer producing cool air, ice may have developed on the evaporator coil. The evaporator holds the refrigerant that takes heat out of the air in your home. If the circulation in your AC unit is poor, however, ice may form on the coil and prevent the unit from producing cold air. 

  • The outdoor compressor

You should also check the outdoor compressor if you’re having problems with your AC unit producing cool air. The compressor may be malfunctioning, or the refrigerant level may be too low. Refrigerant is toxic and should only be handled by your Loveland AC professionals. A sufficient amount of refrigerant in your AC unit is crucial to remove heat from the air in your home. In some cases, a low refrigerant level may be caused by a refrigerant leak. This is a more serious problem and could eventually require a full air conditioner replacement. 

Problem: The A/C Won’t Turn On.

If your air conditioner won’t turn on, you’re likely dealing with an electrical issue. You may have a tripped circuit breaker, blown fuse, loose or damaged wiring on your hands. In these cases, you may simply need to replace the fuse or restart the circuit breaker. If that doesn’t work, try the following strategies:

  • Check the thermostat to ensure that it’s on the “cool” setting. 
  • Check the electrical panel to ensure that the AC unit is getting power. 
  • Check that the switches/buttons around your AC unit are on. This includes the external safety switch, which is typically close to the condensing unit. 
  • Check that the condensation overflow tray hasn’t accumulated an excess of water. 
  • Check that the air handler’s blower door has been closed completely. 

Problem: The Thermostat Isn’t Working. 

Sometimes, an air conditioner issue stems from the thermostat. Thermostats may become improperly calibrated and fail to send the message to your AC to turn on. In this case, you’ll need to contact your Loveland AC professionals to recalibrate the thermostat. If your thermostat is old and outdated, it may be in your best interest to have it replaced with a newer model. A modern thermostat can improve the energy-efficiency of your air conditioner and prevent future problems. 

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