44067-01 • 10/13/2010
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Features
Alerts
This chapter will outline the various alerts the thermostat will report to you
and how to respond to them.
1. Low Battery: This icon will appear when your batteries are starting to
run low on power and should be changed to avoid system interruptions,
(Figure 1) Change the batteries by gripping the sides of the thermostat
rmly and pulling straight back, (Figure 1a). The batteries are located on
the backside of the thermostat. The thermostat requires 2 (AA) batteries
to operate. If you do not replace the batteries in a timely manner, the
screen will go blank except for the low battery warning, (Figure 1b). Your
system will shut down and will not operate until you replace the batteries.
Replacing the batteries will clear this alert.
Note: Settings will not be lost while replacing the batteries. They are stored
in the thermostat’s memory.
2. Filter Change: When this icon appears on the screen, it indicates you
should check your furnace lter to see if it needs to be replaced. To reset
this counter see page 28.
3. Auxiliary Heat: On multi-stage heat pumps this alert indicates your
second stage heat is running.
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