Heat link error

[BIGG0711]

Help no power to heat link 

anyone know which wires I can bridge to get boiler fired up please?

How long has your thermostat been installed for? 14 Months
Did the issue happen during the installation? No.
Is there any error on the Nest thermostat display? H72.
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 ( thermostats ) are present in the setup? One.

[Frustratedddd]

2&3 if you have a Combi boiler, BUT you will not have thermostat control, and you will have to use manual switching on the spur adjacent.

[DragosC]

Thanks for letting us know @BIGG0711,

Could you tell me please when did the situation start occurring first? Also, we'd like to create a case for you in here so we can take care of the situation. We've sent you an email. Please reply to it with the requested details. 
 

[DragosC]

Hi there. I'm just following up on our last message. Do you still need our help? Keep us posted. 
 

[BIGG0711]

Hey folks, sorry all sorted. Called nest and 2 days later an engineer was round to replace and test. Great service  

[DragosC]

Thanks for letting me know @BIGG0711,

That's great news. I'll have to close this thread. Should anything else come up, please open another thread and we'll take it from there. Have a good one and stay safe!