https://www.googlenestcommunity.com/t5/Nest-Thermostats/Had-to-factory-Reset-for-new-WI-FI-set-up-and-now-I-get-cold-air-for-heat/m-p/669084#M130768 <P><a href="https://www.googlenestcommunity.com/t5/user/viewprofilepage/user-id/640469">@Missstone83</a>,</P> <P>With Google Nest Thermostats, it is not necessary to perform a factory reset in order to change the WiFi settings. &nbsp;<BR />What you probably have done is made setting change that has disabled your heating system.&nbsp;<BR />Please answer to following so we can help you.&nbsp;<BR />1. What Model Nest Thermostat do you have?</P> <P>2. What type of heating system do you have?</P> <P>3. On your outdoor unit, what is the Manufacturer and Model number?</P> <P>4. Did you move or change any wire positions since or at the time of the reset.&nbsp;<BR />5. Please upload a screenshot of your Nest Thermostat backplate showing the wires attached.&nbsp;<BR /><BR /></P> <P>AC Cooling Wizard</P> Sun, 12 Jan 2025 14:26:33 GMT CoolingWizard 2025-01-12T14:26:33Z https://www.googlenestcommunity.com/t5/Nest-Thermostats/Had-to-factory-Reset-for-new-WI-FI-set-up-and-now-I-get-cold-air-for-heat/m-p/669073#M130766 <P>Recently I switch WI-FI companies and I only knew how to factory reset to set up new Wi-Fi information. Now my thermostat saying can’t detect OB wire and blows cold air or kicks the Auxiliary heating on. How can I fix this? It’s cold!!&nbsp;</P> Sun, 12 Jan 2025 12:42:37 GMT https://www.googlenestcommunity.com/t5/Nest-Thermostats/Had-to-factory-Reset-for-new-WI-FI-set-up-and-now-I-get-cold-air-for-heat/m-p/669073#M130766 Missstone83 2025-01-12T12:42:37Z https://www.googlenestcommunity.com/t5/Nest-Thermostats/Had-to-factory-Reset-for-new-WI-FI-set-up-and-now-I-get-cold-air-for-heat/m-p/669084#M130768 <P><a href="https://www.googlenestcommunity.com/t5/user/viewprofilepage/user-id/640469">@Missstone83</a>,</P> <P>With Google Nest Thermostats, it is not necessary to perform a factory reset in order to change the WiFi settings. &nbsp;<BR />What you probably have done is made setting change that has disabled your heating system.&nbsp;<BR />Please answer to following so we can help you.&nbsp;<BR />1. What Model Nest Thermostat do you have?</P> <P>2. What type of heating system do you have?</P> <P>3. On your outdoor unit, what is the Manufacturer and Model number?</P> <P>4. Did you move or change any wire positions since or at the time of the reset.&nbsp;<BR />5. Please upload a screenshot of your Nest Thermostat backplate showing the wires attached.&nbsp;<BR /><BR /></P> <P>AC Cooling Wizard</P> Sun, 12 Jan 2025 14:26:33 GMT https://www.googlenestcommunity.com/t5/Nest-Thermostats/Had-to-factory-Reset-for-new-WI-FI-set-up-and-now-I-get-cold-air-for-heat/m-p/669084#M130768 CoolingWizard 2025-01-12T14:26:33Z