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CAUTION
!
If the outside temperature is below 50°F,
DO NOT use the button to move the
temperature below the setpoint tempera-
ture. Personal injury and/or property
damage may result due to compressor
operation in cold weather.
10. 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 reasons.
• The EMR function is operating. The EMR
function will energize the system auto-
matically to bring the temperature to the
selected level by the beginning of the
next program period. See OPERATING
YOUR THERMOSTAT.
8. The display is flashing BATTERY. What
does this mean?
The 9 volt battery installed in the thermostat
is low and should be replaced with a fresh 9
volt Energizer
®
alkaline battery. See OPER-
ATING YOUR THERMOSTAT.
9. 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 minutes
for the compressor lockout to expire. If the
system is still not running, read the caution-
ary statement at right. If conditions permit,
use or to move the temperature
above or below the setpoint temperature.
See OPERATING YOUR THERMOSTAT.