Nest thermostat not seeing the C wire but it's there... | Terry Love Plumbing Advice & Remodel DIY & Professional Forum
![24Volt Power Adapter/Transformer,C-Wire Adapter Thermostat,Compatible with Honeywell,Ecobee,Nest and Sensi Smart Thermostat Pro(25Foot /7.6M Cable) - Amazon.com 24Volt Power Adapter/Transformer,C-Wire Adapter Thermostat,Compatible with Honeywell,Ecobee,Nest and Sensi Smart Thermostat Pro(25Foot /7.6M Cable) - Amazon.com](https://m.media-amazon.com/images/I/61BeXNBioTL._AC_UF894,1000_QL80_.jpg)
24Volt Power Adapter/Transformer,C-Wire Adapter Thermostat,Compatible with Honeywell,Ecobee,Nest and Sensi Smart Thermostat Pro(25Foot /7.6M Cable) - Amazon.com
![C-Wire not powering new thermostat. C-spot on furnace control board has a white wire connected. Is it safe to connect the blue wire to that spot on control board? Or should I C-Wire not powering new thermostat. C-spot on furnace control board has a white wire connected. Is it safe to connect the blue wire to that spot on control board? Or should I](https://preview.redd.it/s4mddgdakbr81.jpg?width=640&crop=smart&auto=webp&s=5c2a0c09233849efc04db90a03fb16e3d46180f7)
C-Wire not powering new thermostat. C-spot on furnace control board has a white wire connected. Is it safe to connect the blue wire to that spot on control board? Or should I
![Ecobee not powering on after install. Reinstalled old system and it worked fine. I think it's because my C-wire doesn't have power. Any tips? Iopened my panel and found a loose c-wire Ecobee not powering on after install. Reinstalled old system and it worked fine. I think it's because my C-wire doesn't have power. Any tips? Iopened my panel and found a loose c-wire](https://preview.redd.it/ecobee-not-powering-on-after-install-reinstalled-old-system-v0-llzk29z0hr1a1.jpg?width=640&crop=smart&auto=webp&s=a0bbc7dc88bbcc1a17f97b807da9ab29527200ec)
Ecobee not powering on after install. Reinstalled old system and it worked fine. I think it's because my C-wire doesn't have power. Any tips? Iopened my panel and found a loose c-wire
![How To Check Power at Thermostat - Furnace & AC Won't Start - Finding Loose Electrical Connection - YouTube How To Check Power at Thermostat - Furnace & AC Won't Start - Finding Loose Electrical Connection - YouTube](https://i.ytimg.com/vi/GsXLSvHotJo/maxresdefault.jpg)