Possible Reasons Your AC Doesn't Power Up

When the summer sets in, your air conditioner is your lifeline. Without it, you can't escape the unrelenting heat. So, when you switch on your AC to cool your indoor space, and it won't run, that's a cause for concern. Some issues are easy to fix, while others call for professional attention.

Below are common reasons why your AC isn't turning on and what you can do about it.

Power Issues

A tripped circuit breaker might be to blame if your air conditioning unit can't turn on. Circuit overloads are prevalent when temperatures soar during summer. Your AC has to work extra hard to make your home comfortable. So, the breaker trips if the electrical current demand is too much for it to handle.   

Additionally, a power surge is likely to occur if you use your dishwasher, do laundry, and run your AC simultaneously. As a result, the breaker trips to prevent excessive power flow through the circuit. 

A tripped breaker switches itself to an 'off' position. To reset it, flip it back to an 'on' position. If the breaker continues to trip, don't turn on your AC until an expert takes a look.

Faulty Thermostat

A thermostat with a blank display can't signal your system to switch on. Depleted batteries are mostly to blame for this situation. You can install new batteries to see if your unit comes back to life. If the issue persists, shift your attention to your thermostat's settings.

First, ensure your thermostat is set to 'COOL.' Then, adjust the temperature setting a few degrees below the current setting. This should signal your AC to run. If nothing happens, remove the thermostat faceplate and inspect its internal components for debris buildup, corrosion, or loose wiring. 

Debris cleanup is a simple DIY exercise, but you want to enlist an expert to clear any corrosion and tighten loose wirings. If none of these steps work, your thermostat may have served its time, and you might need to invest in a new device.

Condensate Line Blockage

With a clogged condensate line, your AC can't work correctly. Your unit produces a lot of condensation as it runs, which your system directs outside through the drain line. Unfortunately, mold and debris can block the drain line if you fail to flush it regularly. This triggers the safety switch, and your unit turns off to prevent leaks that may cause water damage in your home. 

A vacuum can eliminate the clog. But things can get messy if you're not sure what to do. It's better to call an HVAC expert to fix drain line issues for you.

If your air conditioning unit doesn't turn on due to any of the above issues, contact an HVAC company for repairs. Don't forget to schedule regular preventative maintenance to ensure your unit is always in the best shape.

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