8.The display is flashing BATTERY. 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.
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 min- utes for the compressor lockout to expire. If the system is still not running, read the cautionary statement at right. If condi-
tions permit, use the 
or 
but- tons to move the temperature above or below the setpoint temperature. See OP-
ERATING YOUR THERMOSTAT.
!CAUTION
If the outside temperature is below 50°F,
DO NOT use the 
button to move the temperature below the setpoint tem- perature. Personal injury and/or prop- erty damage may result due to com- pressor 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 rea- sons.
•The EMR function is operating. The EMR function will energize the system automatically to bring the temperature to the selected level by the beginning of
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