White Rodgers 1F90W-71 Operation Manual page 32

8. The display is flashing BATTERY. What
does this mean?
The "AA" batteries installed in the thermo-
stat are low and should be replaced with
fresh "AA" Energizer
OPERATING YOUR THERMOSTAT.
9. The display shows a continuous (non-
flashing) BATTERY.
mean?
The thermostat is not being supplied with
24vAC power. The thermostat is operating
on battery power alone. See OPERATING
YOUR THERMOSTAT.
10. Why won't the compressor 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
32
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alkaline batteries. See
What does this
calling for cool. Wait about 5 minutes for the
compressor lockout to expire. If the system
is still not running, read the cautionary state-
ment below. Then, if conditions permit,
use the button to move the tempera-
ture below the setpoint temperature. See
OPERATING YOUR THERMOSTAT.
CAUTION
!
If the outside temperature is below 50 F,
DO NOT use the
temperature below the setpoint tempera-
ture. Property damage may result due to
compressor slugging.
11. Why doesn't the temperature change at
the time I programmed?
There may be a number of causes for this
situation. The following are primary rea-
button to move the