Operating a Nest thermostat is one of the best ways to perfect the everyday schedule of your comfort system. This smart thermostat can recognize your preferences and automatically make improvements. But as you might expect, it won’t work well or at all if you see an error code appear. The exact error code supplies useful information about the root of the problem, something a professional technician can use to offer solutions that much quicker.
Here are seven of the most frequent error codes you may encounter on your Nest thermostat. We’ll walk you through the basics of each error code along with how you can address it and the projected cost to do so. Remember that while the costs will ultimately hinge on the exact Nest model, you can anticipate paying between $75-$200 for repairs. This should also cover travel and labor costs on top of any specific hardware needed to complete repairs.
e298 – Critical
This critical error code is limited to new models of the Nest thermostat and shows up when the power is shut off. Since this is a critical power error, the thermostat will change to the backup battery system. The error message will remain on the screen until the issue is fixed.
Losing power to your Nest thermostat can be for numerous reasons. The wiring could have disconnected or become damaged, or a disconnection may have occurred further along in your home’s electrical system. This might be the circuit breaker, fuse box or system switch. A professional technician will check electrical connections and wiring until they find the source of the problem.
e294 – Critical
Critical error code e294 is displayed when your Nest thermostat’s wiring should be reconfigured. More specifically, the technician will need to reconfigure the R wire. They’ll first conduct a factory reset of your thermostat to ensure it’s not sim