topic Re: Heat Link is dead in Nest Thermostats

Heat Link is dead

GeorgiaA — Wed, 01 Sep 2021 09:40:17 GMT

Hi There - I’m getting error message H71 - but heat link is dead - no lights and unable to reset. Have had no power/electrical/heating issues or work done. The set up has been working fine for the past 2 years and I have no idea what has happened. Power to the boiler is fine - and have hot water.

Re: Heat Link is dead

BillieTurf — Wed, 01 Sep 2021 09:56:45 GMT

I have the exact same issue a of today. No power to the heat link what so ever. it is jut a dead piece of plastic

Re: Heat Link is dead

Darren — Wed, 01 Sep 2021 10:20:32 GMT

Hi Georgia, I have the exact problem now with my heat link system, what did you do?

Re: Heat Link is dead

GeorgiaA — Wed, 01 Sep 2021 11:21:57 GMT

Hi Darren - it’s such a pain! You have my sympathy. I have no solution just yet - am going to check fuse etc but if no joy am hoping they will replace it.

Re: Heat Link is dead

TFosterB-L — Wed, 01 Sep 2021 13:24:15 GMT

I had the same issue, contacted their help desk and they’re sending out a new heat link and thermostat for me.

Re: Heat Link is dead

CristianC — Fri, 10 Sep 2021 10:18:24 GMT

Hello everyone,

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 are present in the setup?

Regards,
Cristian

Re: Heat Link is dead

AlexD — Sun, 12 Sep 2021 10:28:01 GMT

Hi, I wanted to check in.

Did you get the chance to try out the suggested steps? If you need further assistance, make sure to let us know here.

Re: Heat Link is dead

Sand2000 — Thu, 30 Sep 2021 12:06:00 GMT

hi, my heat link (about a year old) is dead with no lights at all. I have tried everything in the instructions/chats but nothing changes the H71 or the lack of lights in the heat link. I really want to put some heating on so please can you tell me how to get it replaced and if I can override it until that happens?

Many thanks

Sandra

Re: Heat Link is dead

CristianC — Mon, 25 Oct 2021 14:00:03 GMT

Hi @Sand2000,

Sorry for the late reply. I'll do my best to get this resolved for you. Can you tell me what troubleshooting steps you've tried so far?

Regards,
Cristian

Re: Heat Link is dead

CristianC — Wed, 27 Oct 2021 14:19:50 GMT

Hello again. Just checking in. Do you still need assistance?

Re: Heat Link is dead

Sand2000 — Wed, 27 Oct 2021 14:50:27 GMT

hi Cristian,

Thanks for the message. I was sent a new heat link this week, which I just had installed yesterday. However the Nest thermostat does not connect to it because it just keeps going to the H71 error. The engineer gave up in the end.
I’m not sure where to go from here.

Kind regards

Sandra

Re: Heat Link is dead

CristianC — Wed, 27 Oct 2021 14:54:29 GMT

Hey @Sand2000,

I'll do my best to get this sorted for you. What color is the LED on the Heat Link?

Re: Heat Link is dead

Sand2000 — Wed, 27 Oct 2021 15:52:56 GMT

Flashing blue

Re: Heat Link is dead

CristianC — Thu, 28 Oct 2021 14:32:09 GMT

Thanks for confirming. Let's try these steps:

1. Bring the display and base closer to the Heat Link and make sure the boiler is not in between the Heat Link and thermostat - only if possible.
2. Turn off the router and other WiFi or Bluetooth devices ( router, speakers, cordless phones, baby monitor, etc. ).
3. Select Replace Heat Link.
4. Enter the entry key ( do not confirm it yet ) — you can find it at the bottom side of the Heat Link, near the screw.
5. Restart the Heat Link twice by pressing on the Nest button for 30 seconds each time.
6. Confirm entry key.

Let us know how it goes.

Re: Heat Link is dead

Sand2000 — Sun, 31 Oct 2021 14:36:10 GMT

Hi,

The engineer removed the Nest thermostat from my Nest app and so I have to reinstall

that first. I can’t reinstall it because it only displays the H71 error code so I can’t get to settings to put in the entry key?

can I override this?

Thank you!

Re: Heat Link is dead

CristianC — Mon, 01 Nov 2021 15:03:05 GMT

Hey @Sand2000. You'll have to reconnect the thermostat to the Heat Link before adding it back to the app. Did the steps I posted earlier work?

Re: Heat Link is dead

CristianC — Wed, 03 Nov 2021 15:04:21 GMT

Hello again. Just checking in. How's it going with your thermostat?

Re: Heat Link is dead

BillieTurf — Wed, 03 Nov 2021 16:05:09 GMT

Hello Christian,

I've send my thermostat back to the company where i bought it. Thank god for EU garantee laws. Got a New one for free, but that is broken as well, wifi issue. It cant connect to the internet. No more Nest for me.

Re: Heat Link is dead

Sand2000 — Wed, 03 Nov 2021 16:26:49 GMT

Hi Christian, not yet. I’ve got too much work in at the moment, but am going to give it one last go at the end of the week.
Thanks for checking in.

Re: Heat Link is dead

CristianC — Thu, 04 Nov 2021 15:46:54 GMT

Hey @BillieTurf. I'm sorry to hear about what happened. Do you have any messages on the thermostat screen?

Hey @Sand2000. Let me know how it goes.