There are a variety of issues that can prevent your air conditioner from turning on. When you live in a tropical climate like Hawaii, this can be particularly challenging. Fortunately, there are a couple of things you can do to try to get your AC up and running before calling a professional.

Woman checking why AC won't turn on

1) Clogged Air Filter

You haven’t changed your air filter in a long time? Then this could be the culprit preventing your air conditioner from turning on. An air filter traps dust and other debris that come across your air conditioner. Otherwise, fine particles would accumulate and clog up various parts of the machine.

When you fail to change the air filter at regular intervals, this dust can accumulate on the filter, preventing your air conditioner from being able to pull in air to cool. As a result, the air conditioner may not turn on at all as a safety measure. Try changing your air filter to see if this helps resolve your problem.

2) Tripped Circuit Breaker

Your air conditioner should have its own dedicated circuit breaker. Sometimes the circuit breaker gets tripped during a storm or as the result of a number of other issues with the air conditioner.

If you find that your air conditioner won’t turn on, or that the thermostat is blank, try checking the circuit breaker. Simply turning on the circuit breaker can sometimes relieve the issue.

3) Thermostat Problems

Just like any other technological tool, a thermostat has a lifespan. A thermostat at the end of its lifespan is inefficient at best and completely broken at worst. Either way, the homeowner is likely to notice a change in their air conditioner’s efficiency.

If the thermostat is just old and relying on obsolete technology, an AC technician may be able to tune up the air conditioner to try to relieve concerns with efficiency. A completely broken thermostat will need to be replaced. Replacing a thermostat requires a live wire to be handled, so the safest thing a Kauai or Oahu homeowner can do is call Island Comfort to request professional AC service.

4) Blown Fuse

When a fuse blows on an air conditioner, it simply won’t work. Homeowners may try turning the air conditioner on to get the air circulating and find that the unit won’t power on. It’s difficult to diagnose a blown fuse without a voltmeter, which some homeowners may not have handy. 

AC technicians keep a variety of tools and components on them so they can perform common repairs. Fuses are often among those supplies. If your AC isn’t turning on and a fuse is to blame, a technician can get you up and running without much trouble. 
When you live in a hot, humid climate like Hawaii, it’s important to keep your air conditioner in good working condition. If you’re looking for a reliable and consistent air conditioning technician, look no further than Island Comfort. Serving the Hawaiian islands of Kauai and Oahu, Island Comfort strives to keep its customers cool and comfortable. Check out our website and contact us today for a consultation!

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