txBatteryStatus = 2

[Hannes]

Hello, 

my DAVIS Vantage Pro 2 has been running for 8 years without any failures. I read out the data via weewx and Raspi. Since a few days I get the value 2 in the field txBatteryStatus. Until now the value was always 0. 

What does txBatteryStatus = 2 mean? 

I have already replaced the lithium battery CR123 3V, unfortunately the txBatteryStatus remained at the value 2.

 
Thanks for your help!

[Tom Keffer]

The status is the binary number made by the turned on status bits. Bit 0 corresponds to channel 1, Bit 1 to channel 2, etc. 

So, if only bit 0 is turned on, you get txBatteryStatus=1;

If only bit 1 is turned on, txBatteryStatus = 2. 

If only bit 2 is on, txBatteryStatus=4.

And so on.

Short version: bit 1 is turned on meaning you have a bad battery on the channel 2 sensor.

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[Hannes]

Thank you Tom for your answer. After replacing the battery, it took until midnight for the txBatteryStatus to return to 0. That confused me. This is also documented here.

https://support.davisinstruments.com/article/g3npg40jj0-i-m-getting-a-low-battery-on-station-1-error-on-my-console