Operating Manual
69-2420ES—03
16
Install two fresh AAA batteries when
Lo Batt
flashes
on the screen.
Lo Batt
appears for 60 days before the
batteries are depleted.
Replace batteries once a year, or when you will be
away for more than a month.
Most settings are stored in non-volatile (permanent)
memory. Only the clock and the day must be set after
you replace the batteries.
Battery replacement
Set the
System
switch to
Off
before removing the batteries. Otherwise, the
heating/cooling system could remain activated even when batteries are
removed.
M38855
