Cool Troubleshooting Nest Thermostat Installation
When x w1 or w2 is an aux wire.
Troubleshooting nest thermostat installation. Once you re sure you can assume that the x is the auxiliary heat and should be inserted into the aux w2 connector on the nest thermostat. If your system works as it should with your old thermostat your nest thermostat may be damaged and needs to be replaced. Your wi fi router may not fully support a wi fi standard known as power saving mode.
Official google nest help center where you can find tips and tutorials on using google nest and other answers to frequently asked questions. If all your nest thermostat displays is a black screen and won t turn on try the steps below to troubleshoot the problem. The nest thermostat should pop off the base.
1 install the heat link first 2 remove or configure the programmer 3 attach the nest thermostat to the wall 4 plug the thermostat in with the power plug and cord installing the nest thermostat in a new spot if you re installing the nest thermostat and aren t connecting it to any cables within the wall then you ll need to. Check the c terminal of the base to see if your nest thermostat base has a c wire attached to it. Pull the silver ring of your thermostat gently away from the wall.
If there is a common wire installed the nest thermostat will not power share. Use the picture you took of your old thermostat s connectors during the installation of your nest thermostat to help you know where each wire should go on your old thermostat. You should verify that the x wire on the old thermostat is not a common wire.
This can take an hour or two. If it doesn t turn on you might see a blinking red light to indicate that the battery is charging. The nest thermostat can t continue to connect to your wi fi network.
Some heat pump installations may have the auxiliary heat connection labelled as x w1 or w2 on the thermostat. If you leave it where it is the nest will slowly charge and eventually turn on. After turning the power back on your nest thermostat should power on automatically.