Error codes, Display & On-Screen Information

Understanding screen symbols, messages, and display issues.

Error codes

What if there is nothing on the thermostat screen?

What if the thermostat screen turns off and lights up intermittently?

Reasons why the outside temperature or the time displayed on the screen is incorrect

An error code is displayed where the time should normally be displayed

What do the dotted lines under the house icon on my thermostat screen represent?