Nest Thermostat

[mbrundo]

I had 2 thermostats installed yesterday by a technician from my HVAC company.  For one, he installed the nest c wire power adapter to the furnace as it is an older system without the c wire.  That one is working fine.  On the other, for some reason, he did not install the c wire adapter and while it is working I am getting the N261 error message and when I go to the settings it shows the c wire as grayed out.  What should I do considering it is working fine?

[Jhonleanmel]

Hi mbrundo,

On the Nest thermostat, E297, N260, or N261 errors may be present before the correct installation of the Nest Power Connector. Your thermostat needs a C wire

Check this link for the steps covering the following help codes: E1, E297, N261, N260.

Best,

Mel

[EmersonB]

Hi folks,

@mbrundo were you able to read and check the link that Mel has shared above? In case you have an update, you know where to find us.

Thanks for lending a hand, Mel.

Regards,
Emerson

[EmersonB]

Hi mbrundo,

Just one quick final check in here since activity has slowed down. We'll be locking the thread in the next 24 hours, but if you still need help, I would be happy to keep it open. If there's more we can do, just let me know.

Best,
Emerson