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Nest Thermostats
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Forum Posts

Upgrading Nest Learning Thermostat: 2nd Gen to 3rd Gen

(I'm in the UK and have a Combi boiler)Hi, ok, so after 9 years my Nest Learning Thermostat 2nd Generation has failed. The Thermostat (wall mounted) shows the H2 error, that the Thermostat is not receiving power. Nothing has changed in my set up, no ...

Denali by Community Member
  • 20 Views
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nest app had trouble communicating

I cannot sign into the app (or the website for that matter):"nest app had trouble communicating"I've been trying for six days. It's the correct credentials, because I get a different response if I deliberately use the wrong password.Even though I kno...

CIRoue by Community Member
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Swapping E thermostat to 3rd Gen - help!

Hi - I have two zone heating/cooling (single fuel, two compressors/two air handlers), installed in a new home.I have a 3rd Gen thermostat, working fine. I have an "E" thermostat that occasionally flashes error with "G" wire, then resumes working.Got ...

JohnQ62 by Community Member
  • 22 Views
  • 1 replies
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nest thermostat offline

Hi does anyone know if you can talk to an actual person for technical support now that Nest has been taken over by Google?? Google sucks literally!! worst, you can't reach a person to talk to, chat, or even send an email for any type of service whats...

cherie312 by Community Member
  • 17 Views
  • 1 replies
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Product support

case ID 4019000034921please contact me to advise on how I can get the thermostat fixed, warranty item

Nroomes by Community Member
  • 26 Views
  • 1 replies
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Nest Heatlink no light/ H71 error on Nest app

My nest thermostat this morning notified me that there is a connection issue, got the error H71: Cant connect to heat link to control heating. After checking the heatlink had not light displayed. -Contacted support team and was told this is a known i...

Kashifr by Community Member
  • 20 Views
  • 2 replies
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Nest thermostat compatibility

Nest app is saying that my system is not compatible but I cannot figure out why. Is it low voltage and no stranded wires, and a very basic system. I just moved into the house so I don't know much about it but a friend said that there should be a work...

Existing system has two C wires

My existing system has two C wires hooked up, what do I use for my new nest learning thermostat? Both? Pick one?Existing system has these wires connected: C, C, Rc, Y, W, Gthanks

Iwan22 by Community Member
  • 15 Views
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