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Replacing indoor sensor batteries
Replace batteries in your indoor sensor when
a warning appears on the thermostat screen,
about 60 days before batteries are depleted.
When the sensor status light begins flashing
red, battery power is critically low and will be
depleted within 2–3 weeks. During normal
operation, the status light remains off.
To replace the batteries:
1 Remove the sensor from wallplate.
2 Install 2 fresh AAA alkaline batteries. If the
status light flashes green, batteries are
good; if it flashes red, you must use fresh
batteries.
3 Attach sensor to wallplate.
The sensor will restore communication with the
thermostat a few seconds after new batteries
are installed.
69-2740EFS—03
Replace ba eries
in your
indoor sensor
34
M32990A
MCR32933
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