You should have never touched it. Let them send someone out, unless you
installed the original. They are electronic devices that can be
internally burned up should they be powered up with a miswiring. The law
is on their side ATM. I purchase warranti...
if your question is directed at me, 2022 the E Nest T-stat was
professionally installed with the new HVAC system. It worked fine for
the first 10 or 11 months and then an update was rolled out that had the
disconnects start.
I'm in the U.S. and have the same Wi Fi connectivity issues every night
at different times and length of disconnection. I haven't bothered with
attempting to fix the problem by either replacing or messing with the
Nest thermostat. It does what it doe...