Installer system test
To perform a System Test:
1 Press and hold CENTER and buttons for approximately 3 seconds to enter advanced
menu.
2 Use to go to TEST. Press Select to enter System Test.
3 Use to change between Heat, Cool, Fan, Em Heat, or Ver (thermostat version
information).
Press Select.
4 Press to turn stages on one at a time, and press to turn them off.
5 Use the Home button to exit the System Test.