Troubleshooting 101: Learn What To Do About a Faulty Thermostat

Master Tech Heating and Air

Regardless of the type of heating and cooling system, you have installed in your home, the connection between you and the air conditioner of heating system is the thermostat. The thermostat functions like a switch that turns the heating and cooling system on and off at the right time. Whenever these systems malfunction, many homeowners tend to think that the problem is with their heating and cooling systems. While this often the case, the problem with your HVAC system could just be a faulty thermostat. As such, the best cause of action to take whenever your HVAC system malfunction is to call a reputable air conditioner repair service La Quinta, CA contractor to examine the system and remedy the problem. However, some problems that affect thermostats are easy and homeowners can remedy them on their own. If you would like to troubleshoot a broken thermostat, here is how you can go about it.

Have You Checked Power Supply to the Thermostat?

A thermostat is simply a temperature switch that regulates when your heating and the cooling system comes on and goes off. Just like conventional switches, a thermostat needs electricity for it to function. A considerable number of residential air conditioners and even some light commercial air conditioners today are powered by an alternating current (AC) of 24V. In such units, the thermostat gets a 24V power supply from the HVAC system, particularly from the handler. As such, disrupting power supply to the handler will affect the functioning of your thermostat as well. The first thing to check, in such a case, would be the air handler circuit breaker. A tripped circuit breaker may be the reason your thermostat is not working.

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Check the Display Light

You may need to check the display light, if your HVAC system is running, but is not cooling your living space, as it should. This is particularly the case for digital thermostats. If the light is off, you may need to replace thermostat batteries to restore the thermostat to it working condition. Some thermostats that use AA batteries and others use AAA batteries. When replacing batteries, you need to buy the right sized replacement batteries for this component.

Has the Thermostat Lost Its Program?

According to the professional heating and cooling system repair experts here at Master Tech Mechanical, it is common for the programmable thermostats to lose their program. This is mostly the case with the comparatively older thermostats that get power supply from the main HVAC system. Such thermostats may end up losing their program whenever there is a power outage or power supply to the heating and cooling system is disrupted. Without this program, the thermostat will not be able to maintain the right indoor temperature in your home. in such a case, you will need to reprogram the thermostat. This is often a challenging task for many homeowners today and should be carried out by a knowledgeable professional.
While there are certain thermostat malfunctions that are easy enough for homeowners to fix on their own, other problems are rather complicated, hence need to be attended to by a skilled air conditioner repair service La Quinta, CA contractor. To book an appointment with some of the best HVAC repair professional in the region, give us a call today at 760-469-4468 or 909-466-6540.