How to Troubleshoot your HVAC Unit

Troubleshooting is a complicated process for any application, HVAC systems in particular. You are essentially looking at a machine you probably don’t know much about regarding machinery and mechanisms and deducing what’s wrong with it. If you feel the need to do this with your system, then it’s only fair to give you some help along the way. If you own an HVAC system in Port St. Lucie FL, here are the basics on how to troubleshoot your system for potential problems.

Diagnosis

The first step of diagnosis, obviously, is to make sure it has power. This is easy, just locate the service panel and make sure that the circuit breaker hasn’t tripped. Then check the separate breakers for the furnace and air conditioner. If one of the units is malfunctioning, then you need to turn off its specific breaker. Then, after 10 seconds, switch it back on. Sometimes this will fix the problem, and if it doesn’t, then there’s more to the issue. If, however, you use fuses instead of breakers for your HVAC, then you’ll need to switch off main power, then replace any broken, blown, or burnt fuses you find.

Air conditioner

The trick here is to do the same thing with the furnace’s troubleshooting, but with cool, instead of heat. Set your thermostat to cool, then adjust its setting to 3-5 degrees below the room’s temperature. Now, check the register for any cool air for 30 seconds. Next, reset the circuit breaker for the air conditioner. Next, check for water beneath the AC unit. If the coils are dirty, and there’s water beneath the unit, the coils can freeze. Finally, turn the air conditioner off at the thermostat itself, leaving the breaker off, and leave it to sit for 3 hours. Then you clean the coils and start the unit.

For more details about troubleshooting your unit and what to do if this doesn’t solve the problem, contact the professionals at A/C Medics Air Conditioning and Heating.

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