![Old thermostat only had these three wires. My nest thermostat is “working” with this setup, but with the N260 error. Can I salvage this setup somehow? : r/Nest Old thermostat only had these three wires. My nest thermostat is “working” with this setup, but with the N260 error. Can I salvage this setup somehow? : r/Nest](https://preview.redd.it/enq2wyktuks91.jpg?width=640&crop=smart&auto=webp&s=43aacd301103d1f72c6bb1179cfb5d11ba6958a8)
Old thermostat only had these three wires. My nest thermostat is “working” with this setup, but with the N260 error. Can I salvage this setup somehow? : r/Nest
![Nest Thermostat Error (N260) - Needs C-Wire, but my TZ-3 zone controller does not have one : r/thermostats Nest Thermostat Error (N260) - Needs C-Wire, but my TZ-3 zone controller does not have one : r/thermostats](https://i.imgur.com/WgeBqPE.jpg)
Nest Thermostat Error (N260) - Needs C-Wire, but my TZ-3 zone controller does not have one : r/thermostats
![Nest Thermostat Error (N260) - Needs C-Wire, but my TZ-3 zone controller does not have one : r/thermostats Nest Thermostat Error (N260) - Needs C-Wire, but my TZ-3 zone controller does not have one : r/thermostats](https://i.imgur.com/gTbY9SP.jpg)
Nest Thermostat Error (N260) - Needs C-Wire, but my TZ-3 zone controller does not have one : r/thermostats
![Nest Thermostat Error (N260) - Needs C-Wire, but my TZ-3 zone controller does not have one : r/thermostats Nest Thermostat Error (N260) - Needs C-Wire, but my TZ-3 zone controller does not have one : r/thermostats](https://i.imgur.com/DjQuAFD.jpg)