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Sensor Battery Notification

I received a replacement 945 on the 24th.  I've been busy with the holidays and finally got around to connecting all my sensors to the new watch.  All connected fine, but 4 of the 6 sensors I have gave me a low battery notification.  I didn't have any notifications on the 23rd with my watch on the old FW. Is this just a coincidence or possibly a problem with the new watch?  The new watch updated to FW 4.00 as soon as I took it out of the box and I connected it to Express.  Anyone getting these notifications with the new firmware? 

  • Could it be that the batteries are low? 

  • Yes, it's possible 4 batteries went low at the exact same time, but I don't think so. To clarify, I actually had 5 sensors and a set of headphones. My Bose headphones and speed sensor are OK. I got the notice for my HRM soft strap, HRM-Tri, my cadence sensor and my Tempe.  All the sensors have had their batteries changed at different times and all within the last 6 months. I just changed the Tempe battery 6 weeks ago. I put on my 935 and I haven't received any notifications. I went back to my 945 and got a low battery notification for just my cadence sensor this time. It's got to be either the watch or FW, that's why I asked if anyone else is seeing this with 4.00.

  • I am not seeing any abnormal indications. My heart rate sensors, cadence and speed sensors are all showing ok. 

  • So, I suspect it's a problem with my watch (maybe with the Ant+ connection) if no one replies with issues with the new FW. 

  • Have you changed the battery in the cadence sensor? Might be a useful check for that one. Am I right in saying that all the other sensors are now reading as expected?

  • No, I haven't changed any batteries and the other sensors were OK.  Just checked again and now I'm getting a low battery notice for my Tempe again.  I'm gonna try a hard reset and maybe restore to defaults since I just set it up anyway. Something isn't right 

  • I have Garmin forerunner 945 music 

    am getting low battery sensor i have only 1 sensor whoop band every time i check the battery via app it have more then 50% battery idk why this notification