White Rodgers 1F90W-71 Thermostat User Manual


 
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sons.
The EMR function is operating. The
EMR function will automatically bring on
the system automatically to bring the
temperature 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
PRGM
to start program operation.
See OPERATING YOUR THERMO-
STAT.
The compressor lockout feature is oper-
ating; wait about 5 minutes for system to
begin running. See OPERATING YOUR
THERMOSTAT.
12. Why does the blower fan keep running
after the system has turned off?
You have programmed the fan to run
continuously during this period. See
PROGRAMMING YOUR THERMO-
STAT.
The blower delay feature is operating.
This energy saving feature continues to
blow conditioned air through the ducts
after the system has turned off, rather
than letting the air dissipate.
13. Why is the system turning on and off so
frequently (seldom)?
The anticipation setting is too low (high). To
change anticipation settings, see OPER-
ATING YOUR THERMOSTAT.