Sudden inescapable H71 error

[corninthegob]

My 3rd Gen Nest Thermostat no longer connects to the base to control the boiler no matter how close I take it to it and even after holding the button untill it reboots. I can manually turn the boiler on with the base button but this is a real pain as the boiler and base plate is locked in the cellar.

It's been working fine for over 6 months and occasionally I would get this problem but I would be able to reconnect it easily. Now it never reconnects. 

[David_K]

There's a good tool to troubleshoot this here:

https://widgets.nest.com/nest-thermostat-troubleshooter/

1. Select Help message > Let's get started
2. Select Nest Learning Thermostat > 3rd Gen Learning Thermostat
3. Select H, then type 71 > Continue > Next
4. Follow the steps on screen

Let us know how you get on!

[Jenelyn_O]

Hi there,

Thanks for reaching out and I'm sorry for the delay. I just want to check if you were able to try the steps provided above. Please let us know how it goes.

I appreciate your help, @David_K.

Best,
Jenelyn

[Markjosephp]

Hello corninthegob,

I wanted to see if you still needed help. Please let us know if you have any other questions or concerns.

Regards,

Mark

[Dan_A]

Hey there,

We haven't heard from you in a while so we'll be locking this thread if there is no update within 24 hours. If you need assistance or want to discuss topics, feel free to start a new thread.
 

Cheers,

Dan