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AC Repair: 4 Reasons Why Your AC Is Not Turning On

1 February 2023

Abbie Wade

Most homeowners rely on the air conditioner to keep them cool and comfortable in their homes during the hot season. That is why it can be frustrating when you need cool air and your system is not turning on. During such a situation, the best solution is to hire an AC repair expert to check and fix the issue. But what could be causing such an issue? Read on to find out more.

1. Circuit Breaker 

One reason the AC fails to turn on might be that the circuit breaker has tripped. A common mistake most people make when they notice this issue is switching the circuit on without getting to the root of the problem. Note that the circuit breaker usually trips when the AC pulls more power than it can handle. So, tripping protects the appliance from currents that can damage or cause a fire. For this reason, if you switch it on without solving the underlying issue, you risk the safety of your home and family.

2. Ice Buildup

It can be strange to see ice building up on your cooling system when the sun is scorching. However, this can happen if your system air filter or blower fan motor is clogged. That's because such issues will prevent airflow, which will cause the ice to build up on the coils. Another cause of the ice buildup could be low refrigerant levels. When the refrigerant is low, the system will operate on low pressure, leading to ice buildup. When this happens, the air conditioner will not work properly and might not turn on. 

3. Defective Thermostat

A thermostat controls and regulates the temperature in your AC. But when it starts to malfunction, the cooling unit will not know when it should turn off or on. One of the issues that can cause such an issue is that the batteries need replacement. But if the system is still not working after replacing its batteries, the thermostat is defective and needs to be replaced.

4. Clogged Condensate Drain

As your air conditioner works to keep your space cool, it releases humidity that is turned into condensation and drained out of the appliance through the condensed drain. But if the condensate drain is clogged with dirt and debris, the humidity will back up, and your AC will start leaking water which is dangerous. Luckily, most of these appliances have a wet or float switch that turns off the entire unit when it detects water leaks.

Issues like a tripped circuit breaker, ice buildup, defective thermostat, or clogged condensate drain can cause the cooling unit not to turn on. Luckily, a licensed AC repair expert can fix these issues quickly to restore your home's safety and comfort.

For more info, contact a company like Turnbull Heating & Air Conditioning.

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