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9. 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.
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 minutes
for the compressor lockout to expire. If the
system is still not running, read the caution-
ary statement at the right. Then, if condi-
tions permit, use the
to move the temperature above or below the
setpoint temperature. See OPERATING
YOUR THERMOSTAT.
36
11. Why doesn't the temperature change at
or
buttons
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.
the time I programmed?
There are a number of causes for this situ-
ation. The following are primary reasons.
• The EMR function is operating. The EMR
function will automatically turn on the
system early enough to bring the tem-
perature to the selected level by the
beginning of the next program period.
See OPERATING YOUR THERMOSTAT.
button to move the
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