Skip navigation

Proudly Serving the Greater Atlanta Area

770-266-5247Click to call

24 Hour Emergency Service

Atlanta Air Conditioning Tips: How to Troubleshoot a Failed AC Unit

In most cases, a failed air conditioning system may be fixed by going through some troubleshooting guidelines. If you would like one of our Atlanta air conditioning technicians to help you get your AC unit running again, give Cool Air Mechanical a call for assistance. We can also send someone to your home if we can’t get your system working again.

Here are some basic steps to try before you call for a repair.

Check All Controls and Fuses

Atlanta Air Conditioning RepairWhen your air conditioner won’t cool your home properly, always check the thermostat to see if it is on “cool” and set for the right temperature. If the air conditioner has shut down, check to make sure that the unit is receiving power by looking in the fuse box for a flipped circuit breaker and also making sure it is plugged in properly. You can also inspect the visible wires and electrical components for obvious damages. Call an Atlanta air conditioning technician if you see physical damage to the electrical components. Never try to fix this yourself.

If the weather is very hot outside, your air conditioner’s high-pressure switch can get flipped and turn your unit off. On most air conditioners the high pressure limit switch can be found on the compressor’s access panel. If you can’t find the switch or you would like someone to make sure nothing more serious is wrong with your AC, give us a call.

Check for Refrigerant Problems or Condensate Pan Leaks

Refrigerant problems caused by the wrong amount of refrigerant can keep the AC unit from cooling your home properly, and you can usually tell if there’s a refrigerant issue by looking for frost or icing on the evaporator coil. When there’s excess coil icing, it means that there isn’t enough cool air being delivered to your home. If you see thick frost on the evaporator coil, a technician will most likely need to charge the refrigerant, or there could be a leak in the refrigerant line.

Condensate leaks into the condensate pan can also cause an air conditioner to fail. The condensate drip pan is installed underneath the air handler to catch condensate leaks if the drain system gets clogged. Most of the time, a small clog in the drain line can be easily cleared. Also check the condensate switch for issues; sometimes these can be defective and cause your air conditioner to shut down.

At Cool Air Mechanical, we want to be the only Atlanta air conditioning contractor you’ll ever need. Call us any time to get troubleshooting advice for your AC system.

Comments are closed.