topic Nest replacement in Nest Thermostats

Nest replacement

Mrkburton — Fri, 17 Feb 2023 12:05:20 GMT

After 7 years it is time to replace my nest, what are the steps? Or do I just remove the old from the wall and put on the new? Thanks.

Re: Nest replacement

David_K — Sat, 18 Feb 2023 14:20:32 GMT

Assuming the new model you have is still compatible:

Reset your old thermostat and remove it from the wall.
Install and setup your new thermostat:
- Google Nest Thermostat
- Nest Thermostat E or Nest Learning Thermostat

Re: Nest replacement

Mrkburton — Sun, 19 Feb 2023 12:27:41 GMT

I was getting the e103 error message. I reset it a couple of times. I had a hvac person come out and say nothing is wrong with our system to replace the nest. But since being down for almost two days it has been up and running just fine so I am at a loss. Should I just replace anyway?

Re: Nest replacement

David_K — Sun, 19 Feb 2023 12:32:41 GMT

If you've already had a HVAC visit, there's a good discussion on this issue here:
Answered: E103, yet again. No changes to wiring and I'm sure… - Google Nest Community

Re: Nest replacement

Markjosephp — Wed, 22 Feb 2023 21:41:44 GMT

Hello there,

I wanted to ensure that everything was covered here.

Thanks for sharing some helpful links, davidking.

@Mrkburton, I'm sorry for the experience you had with your thermostat. It looks like an overcurrent appears on your Y1 wire. Is your thermostat still installed? If so, could you please check its power readouts in the Technical Info? If you're still in need of any assistance, feel free to let us know.

Regards,

Mark

Re: Nest replacement

Jhonleanmel — Mon, 27 Feb 2023 11:01:37 GMT

Hi folks,

Chiming in to see if you still need assistance with this. Let us know if you have additional questions ― we'd love to help.

Best,
Mel

Re: Nest replacement

Markjosephp — Tue, 28 Feb 2023 20:42:04 GMT

Hello Mrkburton,

I'm checking in to make sure that you've seen our response. Please let us know if you have any additional questions or concerns before we lock this thread in 24 hours.

Thanks,

Mark