So I was on the phone with tech-support, and after several resets, and what not, I ended up having to make a new home in the Nest app. I was able to finally add nest guard but it was in a separate home in my app. I was told that the NF 009 error means that something on the nest net work isn’t allowing the connection. I reset the nest guard once again. Then I went back to my original home in the Nest app and started removing products one by one and attempting to reconnect nest guard in between. Turns out my front doorbell camera was the issue. I removed it from the app added nest guard and then re-added my front doorbell camera again. Everything seems to be working now, it was a painful process, but that’s what I had to go through to get mine to work. To reset Nest guard to factory settings, you will need to hold down the number 2 until it tells you to release in order to reset. It will go through the software version first. Keep holding down the number 2 key until it tells you to release. I hope this helps.
