Central AC Not Working? Here’s How To Troubleshoot Your AC Unit

In the HVAC industry, troubleshooting is one of the most useful skills you can possess. You will not only save time by learning how to apply these problem-solving techniques that quickly take you to the source of the problem, but you will also know the right time to call for air conditioning repair in Northridge.

Basic Troubleshooting Steps For HVAC Systems.

  • Start By Resetting Your HVAC System: Resetting the system is one of the first steps to do when something is not functioning correctly. Several methods exist for resetting the thermostat on a heat pump, furnace, or air conditioner.

Consult the owner’s manual to discover how to reset the system. If you do not have access to the manual, you can find it online by searching for the system’s model number.

  • Check The Circuit Breakers For Your Air Conditioning System: Check the main electrical panel of your home for any tripped circuit breakers that are not in the ON position. If your home’s circuit breakers are clearly labelled, you should look for one specifically labelled air conditioner or AC.

If your air conditioner’s circuit breakers have been tripped, you should attempt to force them back into the ON position before turning on your air conditioner again.

  • Verifying Power: Following the fundamental assessment of the apparatus, explore the primary power source, as you cannot progress without the necessary electricity.

If there is no electricity, examine the power source for a blown a fuse or a tripped circuit breaker; if the circuit breaker trips, there could be a short in the appliance’s primary load or wiring. Before you can proceed, you must handle this matter.

  • Replace Your Heating And Cooling System’s Filter: If your HVAC system has not been performing as well recently, if the air from the vents appears dusty or humid, or if it has been a considerable amount of time since it was last maintained, it may be time to replace the filter. Unclean or outdated filters can cause a decrease in air quality and decreased airflow from your vents.

Although you may be able to change the air filters yourself, it is strongly advised that you have a professional for AC maintenance in Northridge inspect the issue. An HVAC service professional will be able to properly maintain your system and discover any potential issues while they are cleaning the filter.

  • Check The Vents For Airflow: Check that all supply vents, including return vents, are open and unobstructed as you move around your home. It consists of the vents in unoccupied locations. Keep an eye out for supply vents and return vents that rugs, drapes, or furniture may obscure.

Supply vents are those that expel air, whereas return vents are those that draw air. Many homeowners feel they can lower their monthly energy costs by covering the supply vents in unoccupied rooms. It only increases energy costs and exacerbates air conditioning and ductwork problems.


If you cannot catch the problem with these troubleshooting steps, contact Tri Cities Best Heating & Air. We will readily help you with all issues related to HVAC systems, such as air conditioning service in Northridge  and AC installation in Northridge.