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Fibaro CO sensor sending wrong battery level



I am testing a Fibaro CO sensor. It is sending battery twice roughly in 30 seconds. 

Every time the first report says 100% battery and the second report says less battery.

What could be the reason for this? Any idea how to resolve this?



"{"timestamp":1611571756,"value":100}";"2021-01-25 10:49:17.924895+00"
"{"timestamp":1611571781,"value":25}";"2021-01-25 10:49:42.728923+00"
"{"timestamp":1611615347,"value":100}";"2021-01-25 22:55:47.366549+00"
"{"timestamp":1611615371,"value":25}";"2021-01-25 22:56:12.171605+00"
"{"timestamp":1611659033,"value":100}";"2021-01-26 11:03:54.004126+00"
"{"timestamp":1611659057,"value":25}";"2021-01-26 11:04:18.690807+00"
"{"timestamp":1611702616,"value":100}";"2021-01-26 23:10:16.981202+00"
"{"timestamp":1611702641,"value":25}";"2021-01-26 23:10:41.613961+00"
"{"timestamp":1611746122,"value":100}";"2021-01-27 11:15:23.166791+00"
"{"timestamp":1611746146,"value":30}";"2021-01-27 11:15:48.013337+00"

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  • Any one has experienced this as well?

    Please suggest what could be the problem and how it can be resolved.




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    Longs shot, but this does happen. Did you ever use "force delete device" to remove a device, instead of the usual and proper "delete" aka "exclusion"? Or did you do a restore recently?


    In that case, you may end up with two (battery operated) devices having the same node ID. Both will be asleep most of the time but wake up at intervals and send battery level. One has 100% and the other about 25% level.


    2 hours ago, SmartHomeEddy said:

    remove and add device. 

    Correct, but If I am right, the topic starter needs to find the 2nd device, then exclude both of them before re-inclusion

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    Same problem here, only with Fibaro CO Sensor ( Z-Wave) connected to Smartthings

    Even occurs with Fresh New Batteries - after 1 hour or so battery level drops from 100% to 1% and alarm sounds.

    All other Fibaro devices ( Flood and a Smoke one ) works well.


    Also, I really don't know how to reset device ( removing from Smartthings HUB ) - I tried before

    with a Door Sensor that went offline and never succeded, even following instructions from web.  Probably a fault Door sensor after falling from the Door itself :/


    Doesn't know what to do , probably I'll give up on Fibaro devices in short term - even so, if I do, I will always have "ghost sensors" showing up in Smartthing HUB because I can't delete them or I don't know how to do it.


    Any help would be awesome.

    Thank you



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