What to Do if the Central Air Conditioner Will Not Turn On

As it starts to heat up with summer approaching, central air conditioner problems start occurring. You try to turn on your air conditioning system and nothing happens. Before you panic and call for the technician, there are a few things you can check that may fix the problem.

  • Check the thermostat and make sure it is set to “cool”. If it is set to heat instead of cool, then your air conditioner simply can’t turn on. Once it is set to “cool”, lower the thermostat to at least 5 degrees below the current temperature and see if your unit turns on.
  • Check the electrical and make sure a breaker is not tripped. If there is a disconnect box next to the outdoor air conditioner unit. These can have a manual switch or fuses that may have blown. If you are going to check fuses, make sure power has been turned off BEFORE attempting to inspect fuses.
  • Check the condensate drain line. Air conditioners as they work create condensation moisture that needs to be drained away. If the condensate line becomes plugged, then there is a safety switch that shuts off your air conditioner.
  • Check Outdoor Unit a tripped reset button. Press the reset button and see if your outdoor unit comes on.

These trouble shooting steps can help the home owner with minor issues. If you still can’t get your central air conditioner system to come to life, then it is time to call a certified technician to diagnose and fix the problem. more on air conditioner repair.