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TROUBLESHOOTING
SCRAMBLED OR DOUBLE DISPLAY
(numbers over numbers)
NO DISPLAY
ENTIRE DISPLAY DIMS
PROGRAM DOES NOT CHANGE
AT YOUR DESIRED SETTING
AUTO / FAN DOES NOT TURN ON
FAN RUNS CONTINUOUSLY
1. Remove clear Mylar sticker
1. Check terminal connection. A common (C) wire is required for operation.
2. Check battery connections and batteries.
3. Press RESET button with a small pin and hold in for two seconds.
1. Replace Batteries
2. Adjust LCD contrast in the Option Menu.
1. Check that the time is set properly to “AM” or “PM”.
2. Check that the thermostat is not in “HOLD” or “Home Today” modes.
3. Check for the correct day setting.
4. Check any remote sensor readings or weights.
1. Move HG/HE selector to opposite position
1. Check fan setting. It may be “ON” or in Programmable Fan mode “PGMON”.
SolutionProblem