Carrier Infinity Diagnostics: The First Clues from the Thermostat (Part 1 of 3)

Welcome to Part 1 of a 3-part series where we solve a complex Carrier Infinity communication issue. Every good diagnosis starts with gathering clues, and our first stop is the system's brain: the thermostat.

Join me as we navigate the advanced service menus to uncover a long history of strange fault codes and analyze the live operational data that points to a serious underlying problem.

▶️ **WATCH PART 2: [https://youtu.be/00KeDv4lc28?si=gOoawd3nJTCPRFiJ]

🔧 **WHAT YOU'LL LEARN IN THIS VIDEO:**
- How to access the advanced service menus on a Carrier Infinity thermostat.
- Uncovering a long history of "High Humidity Alert" fault codes.
- Analyzing live furnace and AC data to see how the system is behaving.
- Using the "Last 10 System Events" log to understand the pattern of failures.
- Gathering the initial evidence needed before you ever pick up a multimeter.

Now that we've seen the symptoms, it's time to find the cause. Watch Part 2 where we break out the multimeter and find the physical failure. Please like and subscribe to follow the series!

#HVAC #HVACtraining #CarrierInfinity #Thermostat #Troubleshooting

**DISCLAIMER:** This video is for educational purposes only and should be performed by a qualified professional.

Видео Carrier Infinity Diagnostics: The First Clues from the Thermostat (Part 1 of 3) канала Nelson's HVAC, LLC