The thermostat needs to be reconfigured. Contact a local pro if you need more help.

How To Install And Set Up The Nest Thermostat
Nest thermostat troubleshooting guide. Nest t200577 thermostat troubleshooting reset nest sense features 1. Perform a reboot by following the steps below. Turnthe ring then select settings. Using the silver scroll wheel navigate to settings and select it by pushing down on the unit. Click here to check the status of the nest service. Press the ring to bring up the menu.
Scroll all the way to the right and select reset. Your nest thermostat should automatically turn on once its connected to your system and your system is powered up. Turn the ring and select settings. Before you start troubleshooting. If you see a blinking red light at the top of. Bring up the nest thermostat main menu by clicking on the thermostat unit itself.
The ob wire controls whether the heat pump in cooling or heating modefor nest thermostat not cooling the problem could be the ob wire settingsto change the ob wire settings follow the steps below. Check the status of the nest service. If the nest service is down you may see the nest service cant be reached right now in the nest app. If the lights continue to blink for more than 5 minutes remove and reconnect the display. The nest thermostat does not support multiple stages of heat and multiple fan speeds at the same time. Nest is turning on restarting or updating a blinking green light will appear if the nest is turning on restarting or updating.
Beginners guide to the nest thermostat learn the basics of how to use your google nest thermostat change settings set temperature schedules save energy control it with your phone and more. If the light is still blinking after reconnecting the device restart it by holding down the thermostat ring for 10 seconds. To get access to menu press the ring. To help with troubleshooting wi fi issues. G 2 wire detected.