HVAC is not working?

There are five fuses that run the system I would check them for power and if there are good check the system ground, here is a guide to help you and the wiring diagrams so you can see which fuses to check and how the system works.

https://www.2carpros.com/articles/how-to-use-a-test-light-circuit-tester

If the fuses have power and the ground is good let's replace the HVAC controller. Check out the images (below). Please let us know how it goes.