Nest Heat Link v3 Stopped Working

[Cliff]

This morning my Nest Heat Link v3 has completely stopped working. No lights, nothing. Have already tried the reset procedure. I can confirm that there is power being supplied to the unit. The unit is only a year and a half old. I would expect Google products to last longer than this! Does anyone know how I can get a replacement v3 heat link? It's freezing in here. Many thanks.

[edith]

Same with our unit. Waiting response from the rest for the solution

[CristianC]

Hi there,

Thanks for reaching out. I'll do my best to get this sorted for you as soon as possible.

Here are some helpful troubleshooting steps:

Press the button on the Heat Link and check if you have any lights on it
Check if the circuit breakers and the switches are set to on
Turn them off and then back on
Press on the button again and check for LEDs

Could you also help me with some answers to these questions?

How long has your thermostat been installed for?
Did the issue happen during the installation?
Is there any error on the Nest thermostat display?
Have you had any power cuts recently?
Have you had any work done on your electrical or heating systems recently?
If yes, was the power properly restored at the fuse board after work was done?
How many zones ( thermostats ) are present in the setup?


Regards,
Cristian

[Cliff]

How long has your thermostat been installed for? Since February 2020

Did the issue happen during the installation? No

Is there any error on the Nest thermostat display?  Shows H71 error.

Have you had any power cuts recently? No

Have you had any work done on your electrical or heating systems recently? No

If yes, was the power properly restored at the fuse board after work was done? N/A

How many zones are present in the setup? 1

[AnaM]

Hey @Cliff,

Thank you for your answers. Did you also try the troubleshooting steps my colleague suggested? If so what was the result?

Also, let me know if it's alright to send you an email on the email address showing on your profile. That way I can create a case for you.

[Cliff]

I can confirm I have tried all the above troubleshooting suggestions to get the heat link working. I can confirm there is mains power being fed to the unit, but there is still no led lights at all. Completely dead. 
Yes, feel free to use my personal email address. 

[AnaM]

Hey @Cliff,

Thanks for confirming. I've sent you an email, please check your inbox and let me know if you received it.

[Cliff]

Thank you Ana, yes I have received the email and will follow your instructions. 

[AnaM]

Thanks for confirming @Cliff. Since we took care of the issue via email, I will now lock this thread. Feel free to open a new one if you need any more assistance.