A/C Breakdown? 6 Things To Check First

The heat is ON! Make sure you are ready in the situation of a A/C break-down. Before you call for service on your air conditioner, here are 6 things you can check!

Start your troubleshooting with these 3 easy things…

#1 - Circuit Breaker

When your air conditioner is operating at full capacity on these hot days, it’s possible that it could trip your breaker. Go find the electrical box and check to make sure that the switch for the air conditioner is turned to ‘ON’.

#2 - Thermostat Batteries

Does your thermostat operate on batteries? If so, your a/c ‘breakdown’ could be the result of dead thermostat batteries. Check the stat before you assume the issue is with your A/C. We recommend changing the thermostat batteries every year to avoid this situation.

#3 - Furnace Filter

Did you know that your furnace filter may need changed more frequently in the hot summer months? Because your system is running so much, dust and debris circulates even more, clogging up your filter at a faster pace than the mild months. Ensure the filter is clean, and restart your system.


System is still not running? Here are 3 slightly more advanced things you can check…


#4 - Outdoor Disconnect Box/Fuse

Locate the outdoor disconnect box by your air conditioner. Open it up to see the status of your fuses. Whether a power surge occurred or the fuse went bad on it’s own, you made need to replace the fuse with a new one. You should be able to purchase a new fuse at your local hardware store.

Helpful tip: Some disconnect boxes will have an indicator that lights up when a fuse has gone bad. If you see a light inside the box, you’ll know the issue lies with your fuse.

#5 - Condensate Pump

Do you notice water leaking at the bottom of your furnace? The problem could be your condensate pump. We recommend pouring a cup of white vinegar into the drain (let that sit for an hour and then follow up with a cup of hot water) a few times a year to ensure that drain line stays clean. Failure to do so might cause a build-up, resulting in a water leak. Feel free to shake the pump gently to help the water pass through.

#6 - Frozen Indoor Coil

Water on the floor under your furnace could also mean a frozen coil. If you notice this and/or your system is blowing HOT air, you’ll want to shut off the system for 6 hours to allow the coil to thaw. After 6 hours, you can try turning the system back on with a clean furnace filter.

Helpful tip: A frozen coil usually means you will need a service appointment. Our technicians aren't able to diagnose what the problem is until the coil has thawed. Turn the system off and make the call for help.


If you've given some of these a try and still haven't resolved the issue, it's time to call the professionals at Logan A/C & Heat Services! Our expert technicians can diagnose the proper fix for your system, so call or submit an online service request today!

Request A Service Appointment »


Consider the age of your system; if it is 15 years or older, it may be time to look at replacement options. Schedule a free in-home estimate »




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