Honeywell VisionPRO Series User Manual page 35

Replacing outdoor sensor batteries
Replace batteries in your outdoor sensor
when a warning appears on the thermostat
Outdoor Sensor
screen, about 60 days before batteries are
has low batteries
depleted.
To replace the batteries:
MCR34145
1 Remove the sensor from the bracket.
2 Detach cover.
3 Install 2 fresh AA lithium batteries.
4 Replace cover and set sensor back into
bracket.
The outdoor sensor will restore
communication with the thermostat a few
M32988A
seconds after new batteries are installed.
MCR32937A
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