White Rodgers 1F92-71 - Manual (Page 32)

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8. Why doesn’t the display light come on
when I press a button? Why don’t I hear
a beep when I press a button?
The display light and audio prompting
(beep) only work when the thermostat is
on the wall and 24 VAC power is present to
the thermostat. These features will not
work on battery power alone. See OPER-
ATING YOUR THERMOSTAT.
9. The display is flashing BAT. What does
this mean?
The 9 volt battery installed in the thermo-
stat is low and should be replaced with a
fresh 9 volt Energizer
® alkaline battery.
See OPERATING YOUR THERMOSTAT.
10. Why won’t the system turn on, even
though the thermostat display is func-
tioning normally?
Either the compressor lockout feature is in
operation or the thermostat is not currently
calling for heat or cool. Wait about 5 min-
utes for the compressor lockout to expire.
If the system is still not running, read the
cautionary statement on the next page.
Then, if conditions permit, use the
or buttons to move the temperature
above or below the setpoint temperature.
See OPERATING YOUR THERMOSTAT.