Nest Thermostat E Installation Troubleshooting

Run new wires between your furnace and your thermostat hire a pro or diy with a new spool of thermostat wire grab a venstar add a wire which adds a 5th wire to an existing 4 wire setup.

Nest thermostat e installation troubleshooting.

If needed re insert wires so that the connector button stays fully pressed down. Your customer is seeing a question mark on their nest when they use one of the nest apps. Get a c wire or install an adapter if you want a nest. The nest thermostat e is not compatible with dual transformer systems but you may be able to use the 3rd generation nest.

These illustrations use the 3rd gen nest learning thermostat but the steps are the same for the nest thermostat e. The nest apps will show a question mark over the thermostat when the nest servers can t communicate with the device. The nest thermostat doesn t support a multi speed fan and. Installation guide 6 pages 0 3mb welcome guide 10 pages 1 7mb 1st generation nest thermostat.

The nest thermostat doesn t need jumpers. The nest app will guide you through thermostat installation but here are some more detailed instructions to walk you through everything you need to do to install your nest thermostat on the wall. If all your nest thermostat displays is a black screen and won t turn on try the steps below to troubleshoot the problem. Your nest thermostat has detected a g 2 fan wire in the y 2 connector and an emergency heat wire in the connector.

Pull off the nest thermostat display. Installation guide 7 pages 0 5mb note. Check that all connectors that have wires are down see picture. If you have rh and rc wires you have a dual transformer system.

Basically you have two options if you want to ensure your nest installation is solid. If you ve successfully installed your nest thermostat but a blinking red light appears after you ve been using it regularly for some time there may be a problem. Use normal electrical troubleshooting techniques to isolate the issue to either the fuse breaker box or a fuse on the hvac controller board. The nest thermostat should pop off the base.

If your thermostat has jumpers remove them but save them along with your old thermostat.