Thread: Carrier Edge Thermostat
View Single Post
 
Old 09-23-2017, 07:03 AM
retiredguy123 retiredguy123 is online now
Sage
Join Date: Feb 2016
Posts: 17,076
Thanks: 2,969
Thanked 16,255 Times in 6,395 Posts
Default
Have you tried adjusting the backlight level as described on page 38 of the manual? I don't think the thermostat has a battery.