White Rodgers 1F91W-71 - Manual (Page 8)

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Other than and , the buttons are
located behind the thermostat door. To open the
door, use your fingernail in the indentation at the
top center of the door. Pull the door out, then
swing the door down on its hinges.
Following are brief descriptions of the display
and the thermostat buttons.
The Display
Continuously displays system mode (HEAT,
OFF, COOL, AUTO, HOLD). During pro-
gramming, the program period is displayed
(MOR, DAY, EVE, NHT).
Alternately displays room temperature (F
denotes degrees Fahrenheit and C denotes
degrees Celsius) and time of day (A de-
notes AM time and P denotes PM time).
Displays the setpoint temperature.
5 DAY indicates that the displayed program
is the weekday program. 2 DAY indicates
that the displayed program is the weekend
program.
The word BAT flashes on the display when
the 9 volt alkaline battery is weak and should
be replaced.
FAN
is displayed when the blower is
operating continuously, regardless of heat-
ing or cooling system cycling. FAN
is
displayed during automatic fan operation
(when the blower cycles with the heating or
cooling system).
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