In this video we walk you through how to diagnose or troubleshoot a bad control board. This same technique applies for A/C as well if your fan isnt running, you'd jump R and Y instead of R and W. Then you'd check for voltage between the neutral pin and COOL instead of Heat. I hope you found this video informative! If so make sure and leave it a like and subscribe to our channel! IF YOU ARE IN NEED OF GUIDANCE WITH YOUR HVAC SYSTEM, whether it is diagnosing a bad part, replacing your system, or help with sizing, check out our membership program here: / diyhvacguy For a small monthly fee of $50, you will get assistance from myself when it comes to your hvac needs, whether it's sizing, diagnosing, or locating the correct equipment. ⚠️ Disclaimer: This video is for educational purposes. Any and all HVAC repair work is done at your own risk. The DIY HVAC Guy channel is not responsible for any possible damages or injuries caused by the use or misuse of the provided information. The DIY HVAC GUY is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com.
