44040-01 • 05/11/2010
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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 firmly and pulling straight
back, (Figure 1a). The batteries are located in the backside of the thermostat. The
thermostat requires 2 (AA) alkaline 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 filter to see if it needs to be replaced. To reset this counter see
