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Nest Thermostats

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Troubleshoot a W5 Code on Nest Thermostat Read more

Nest Renew: How do you save energy during the Holiday season? Read more

Forum Posts

Need help with setup? Troubleshoot common Nest Thermostat problems

Here are some steps I recommend to resolve issues during the setup of Nest Thermostats.Before trying these stepsMake sure you're using the correct app for setup. Need help checking which model you have? Use the Google Home app to set up the following...

David_K by Platinum Product Expert
  • 6978 Views
  • 0 replies
  • 6 kudos

Nest Thermostat Repeatedly Restarts Itself

Nest thermostat repeatedly restarts itself. WiFi is very reliable and in close proximity. Replaced batteries. Rewired unit. Factory reset. Not sure what else to do.Model: Thermostat-1.4
Software version: 1.1-9

Battery state: OK
Battery voltage: 3.18...

garnet2k1 by Community Member
  • 257 Views
  • 0 replies
  • 0 kudos

New Thermostat heater wont turn on

I recently installed the nest thermostat and AC works fine, but they heat does not work. I have a picture of the old setup and the new. Can someone help determine if the wiring is correct?

AnthoniSi by Community Member
  • 995 Views
  • 6 replies
  • 0 kudos

Nest heat link

My heat link 2nd addition was working fine up to last night, but tried to put the heating on just now, no lights on the heat link, changed the fuse not that any ideas please

Gilps by Community Member
  • 2032 Views
  • 4 replies
  • 0 kudos

No power

It said: E74, wiring report, no power to Rh wire detected. I don’t know why, It’s working for 4 days, all of sudden it stopped.

Philylin by Community Member
  • 644 Views
  • 4 replies
  • 0 kudos

Wiring issues with my nest

I have a white cable, a blue, a red, a green, and a yellow. Can't get my nest to power on. Green wasn't connected to old thermostat and there was a jumper between rh and rc

Nest Tstat won’t activate heat with C wire connected

I installed new Nest Tstats on a 2 wire hot water boiler. They work great but I got the power error. So I used a spare Tstat wire to connect the Tstat to the common side of the furnaces transformer. That resolved the power issue but now it won’t heat...

Dave3 by Community Member
  • 401 Views
  • 3 replies
  • 0 kudos

No heat mode

My nest gen 3 thermostat has no heating mode, only cooling mode. 

John6 by Community Member
  • 751 Views
  • 4 replies
  • 0 kudos

2 Wire system - can I get a 3rd generation Next Learning?

sorry Ill probably sound like an idiot.2 floors of heating - upstairs/downstairs. Each has their own thermostat.Only replacing the main floor .Can I use a Next Learning Thermostat with only a 2 wire system? I seem to find conflicting information on t...

RedJeff by Community Member
  • 405 Views
  • 3 replies
  • 0 kudos

Nest Thermostat

Hi, My nest thermostat suddenly stopped working and there is no light on heat link. Thermostat is showing error code H71. Is that the fault with the heat link? What should I do?Thanks,Nyan

Nyan by Community Member
  • 461 Views
  • 3 replies
  • 0 kudos
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