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After about 10 months of working well, my Nest thermostat display is off and has no power

rgaila
Community Specialist
Community Specialist

Disclaimer: This thread was migrated from our previous version of the Google Nest Community. You can continue to receive updates on your thread issue here or simply ask, browse or more in the new Google Nest Community.

Original Poster: Sue Cadwaladr  

Screen on nest is blank as no power, went to the unit (Heat Link), no lights on that either. Pressed the button on the Heat Link for a few seconds. No change! Please help.
 
1 REPLY 1

rgaila
Community Specialist
Community Specialist
Hi Sue,
 
Thanks for reaching out. Let's check a few things:
  • What type of Nest thermostat do you have?
  • When was it installed?
  • Did the issue happen during installation or after installation?
  • Are there any lights on the Heat Link? Does the boiler activate when calling for heat by pressing Manual Mode?
  • Are you seeing any wiring report or error on the thermostat and/or the app?
  • Have you had any recent power cuts in your area? If yes, document the answer to the following questions.
  • How long ago was the latest power cut?
  • How often do these power cuts occur?
  • How long was the power off for? (Be specific.) Do you get an error after each power cut?
  • Has the thermostat been on since this power cut?
  • Have you recently had service or maintenance on your electrical, plumbing, or heating system?
  • If yes, how long was the power off for? (Be specific.)
  • Have you tried any troubleshooting steps before contacting us?
Let me know so I can properly help you
 
-From Andreea, Community Specialist.