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69-0803—1
starts flashing. If the batteries are not replaced
when
bAt Lo
is flashing, the indicator eventu-
ally stops flashing. When
bAt Lo
stays on
without flashing, the thermostat and heating/
cooling system have stopped working and the
batteries are almost completely dead.
After the batteries are completely dead, the
bAt
Lo
indicator disappears, leaving a completely
blank display.
To remove the batteries, press down on left
ends of the batteries. If the new batteries are
installed within 20 to 30 seconds of removing
the old ones, the thermostat does not require
reprogramming. If the display is blank, the
batteries are dead or incorrectly installed and
the thermostat has to be reprogrammed. See
Programming Your Thermostat section for
instructions.
INSTALL TWO AA ALKALINE
BATTERIES AS SHOWN
M5782
Auto On
Fan
Cool Off Heat
System
FAN SWITCH
SYSTEM
SWITCH
TU
AM
LEAVE
As the batteries are running low, the
bAt Lo
indicator flashes for one to two months before
the batteries run out completely. Replace the
batteries as soon as possible after the indicator