Google Nest Community

My 1st generation doorbell stays offline for 6 hours, comes on for a few seconds, then is offline for another 6 hours, back on a few seconds, then off again continuously. It's only about 8 feet from the router. I've reset, restarted, and rewired. Aft...

When someone presses the doorbell button I do not received any notifications on my phone. The camera works perfect. The unit is about 3 years old. The original home chime doesn't work either.