Carrier Edge Thermostat
Does anyone know if the Carrier Edge thermostat has a battery for the display? The display was normal earlier today, then when I went to turn down the temperature, it is blank with no backlight. The on-line manual does not mention a battery or explain how to get the panel off the wall and I don't want to yank it off and end up breaking it. I really don't want to have to wait until Monday to go through warranty department if I can just change a stupid battery myself. (and yes, the circuit breakers for the AC are on!)
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