White Rodgers 1F90W-71 Operation Manual page 35

batteries installed or if the installed batteries
are dead. If you are changing the batteries
after seeing a flashing BATTERY on the
display, the installed batteries may be dead.
If you remove the old batteries and install
fresh ones within one minute, you should
not lose your thermostat programming. Af-
ter installing new batteries, follow the proce-
dures in CHECK YOUR PROGRAMMING
to determine whether your programming
was maintained. If the thermostat main-
tains programming, press
is displayed, put the thermostat back on the
SYSTEM
wall, press
HEAT-OFF-COOL-AUTO
mode you want, then press
program operation. If the program is lost,
reprogram the thermostat. See PROGRAM-
MING YOUR THERMOSTAT.
SYSTEM
until OFF
HEAT-OFF-COOL-AUTO
to select the operating
RUN
to start
PRGM
35