topic Nest Thermostat with sudden error code in Nest Thermostats https://www.googlenestcommunity.com/t5/Nest-Thermostats/Nest-Thermostat-with-sudden-error-code/m-p/83990#M18749 <P>We've had a Nest Thermostat since April, working with no issues. Suddenly, it's giving us an error code saying it can't find the C wire. There is nothing wrong with the wire. It has power. It's clean, stripped, has been working fine since April. Help!&nbsp;</P> Fri, 14 Jan 2022 23:36:51 GMT KelCdB 2022-01-14T23:36:51Z Nest Thermostat with sudden error code https://www.googlenestcommunity.com/t5/Nest-Thermostats/Nest-Thermostat-with-sudden-error-code/m-p/83990#M18749 <P>We've had a Nest Thermostat since April, working with no issues. Suddenly, it's giving us an error code saying it can't find the C wire. There is nothing wrong with the wire. It has power. It's clean, stripped, has been working fine since April. Help!&nbsp;</P> Fri, 14 Jan 2022 23:36:51 GMT https://www.googlenestcommunity.com/t5/Nest-Thermostats/Nest-Thermostat-with-sudden-error-code/m-p/83990#M18749 KelCdB 2022-01-14T23:36:51Z