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calling for heat or cool. If the compressor
lockout is active, the PUMP LED will flash.
Wait about 5 minutes for the compressor
lockout to expire. If the system is still not
running, read the cautionary statement be-
low. Then, if conditions permit, use
or
to move the temperature above or
below the setpoint temperature. See OP-
ERATING YOUR THERMOSTAT.
CAUTION
!
If the outside temperature is below 50
DO NOT use the
temperature below the setpoint tempera-
ture. Property damage may result from
compressor operation during cold
weather.
°
F,
button to move the
10. Why doesn't the temperature change at
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 THERMO-
STAT.
• You have programmed the incorrect day
or time. Check your programming (be
sure that the times you programmed are
correct AM or PM times). See PRO-
GRAMMING YOUR THERMOSTAT.
• The thermostat is in the HOLD mode.
Press
RUN
to start program operation.
PRGM
37
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