20 69-1003—1
REPLACING THE
THERMOSTAT BATTERIES
IMPORTANT
Batteries must be installed to maintain
the time and date in the event of a
power loss. Although the thermostat
has a low battery indicator, replace the
batteries once every two years to
prevent the thermostat from losing its
time/date information in the event of a
momentary power loss.
As the batteries run low, the display shows bAt
Lo. This low battery indication flashes for one to
two months before the batteries run out
completely. Replace the batteries as soon as
possible after the indicator starts flashing.
You will need two AA alkaline batteries; non-
alkaline batteries will not last as long, and may
leak, causing damage to the thermostat or the
wall surface. We recommend Energizer®
batteries.
• Use a coin to carefully remove the battery
door.
• Press down on the left ends of the batteries
to remove them.
