Operating Manual
34
69-2493E FS—01
In case of difficulty

If you have difficulty with your thermostat, please try the suggestions below. Most

problems can be corrected quickly and easily.

Screen is
blank
• Check circuit breaker and reset if necessary.
• Make sure power switch at heating & cooling system is on.
• Make sure furnace door is closed securely.
Screen is
difficult to
read
• To change the screen brightness or color, see backlight options in the Preferences menu
(see page 21).
• At 2 am each day, Prestige thermostats change screen colors for an hour, to prevent burn-
in. Touch the screen at any time to restore pre-set screen colors.
Heating
or cooling
system does
not respond
• Press SYSTEM to set system to Heat. Make sure the temperature is set higher than the
Inside temperature.
• Press SYSTEM to set system to Cool. Make sure the temperature is set lower than the
Inside temperature.
• Check circuit breaker and reset if necessary.
• Make sure power switch at heating & cooling system is on.
• Make sure furnace door is closed securely.
• If “Waiting For Equipment” is displayed, the compressor protection timer is on. Wait 5
minutes for the system to restart safely, without damaging the compressor.