Calling a professional at the soonest possible time is advisable when your AC unit gets into trouble. However it would also be a great for you to know how to troubleshoot an AC to have an idea of what kind of problem there is. This should help you determine if it’s a job for the pros or if it’s just a false alarm.
If your AC is won’t start on despite having the power on, it could be due to several reasons. It could be an electrical problem, such as a tripped breaker or blown fuse in the main electrical panel. Generally, you can try resetting the breaker by turning it on or off.
If this still doesn’t work, then there’s a possibility that the problem is with the unit’s capacitor, compressor, or fan motor–in which case, you’ll need to call the pros for an AC repair. Read more from this blog. http://bit.ly/2riLvcX