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Backlit Display
This thermostat is equipped with a backlight to make nighttime tempera-
ture adjustments quick and easy. Press the button to activate the
backlight. The backlight will turn off after about 15 seconds of inactivity.
Reset
To reset the thermostat to factory preprogrammed conditions,
press the RESET button located beneath the lower left corner
of the display.
Step 5: Troubleshooting
Symptom Remedy
11
Check wiring (see Installation
section).
If problems with thermostat cannot be resolved, call:
Technical Support: (800) 445-8299
Monday-Friday 7:30 AM - 5:30 PM CST
RESET Switch
WYBOG
NON HP
Thermostat turns system on and
off too frequently.
Increase temperature differential
(see Changing the Temperature
Differential section).
System fan does not operate
properly.
Thermostat does not display
proper room temperature.
Check F/C (Fahrenheit/Celsius)
settings (see Changing Fahrenheit
(F) to Celsius (C) section).
Move fan option switch to either
gas or electric, to match system
(see Installation section).
Thermostat does not turn on system.