Lutron RR2 HVAC Controller sensor Property

What does the sensor: wired only property of my HVAC controller mean?

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It means that the optional wireless sensor isnt paired, or its offline.

It appears that one of my two Lutron wireless temperature sensors (LRF2-TWRB) battery died.

Note: both my upstairs and downstairs controllers reported status: wired only even though only the downstairs sensor battery had died.

After replacing the battery the sensor value is 'all active'

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but that begs the question, why isn't the wireless temperature sensor battery status being captured?

Interesting results from telnet session:

GNET> ?DEVICE,87,1,22
~DEVICE,87,1,22,0x00BEB59B,1,1,01/22/2023 16:36:04 
GNET> ?DEVICE,88,1,22
~DEVICE,88,1,22,0x00BEB589,1,1,09/12/2021 15:09:57

Device 87 is downstairs and 88 upstairs wireless temperature sensors.

Per page 160 of the Lutron Protocol Document, both are are Power source (1) Battery powered and Status (1) Good so it is possible to pull the battery status.

Not sure why the Status update timestamp of the upstairs sensor is from 2021.

I messed with those attributes and they were not reliable.

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