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Edge 530 sensor dropouts since installing 8.0 firmware

After installing the new 8.0 software/firmware on my Edge 530, I'm getting repeated sensor loss and then Found messages (about every 5-15 second) while on a ride.

It's only the connection to my SRAM eTap that's having this issue and it wasn't occurring with the 7.10 version.

There's no battery warning from the eTap and they (front and rear derailleur) are shifting just fine.

Other ANT+ devices are all Garmin and no dropouts seems to be occurring for any of them: Remote, HR, Vector Power Meter Pedals.

I'm going to try removing the device and rediscover it as well as fully charge the eTap batteries to see if that makes a difference.

Anyone experience anything similar with the new 8.0 version?

  • Going back to 7.1 eliminated dropouts for me but sensor configs can vary a lot.

  • Is there any consistency for sensor dropouts when using auto-pause vs. not?  Even my buddies Wahoo Bolt had issues until he turned auto-pause off.  It would be interesting to see if there is any correlation to auto-pause.  I very much want to upgrade to a 530, but I can't justify it with this issue remaining.  But... I don't use auto-pause, so if that were the cause it would make it a non-issue for me. 

  • I went back to 7.1 when 8.1 didn't resolve the Bluetooth and sensor problems. Works well for me. Never a drop. Radar, headlight, power pedals, heart rate, multiple speed and cadence and Wahoo Kicker. Phone paired, wifi. All just work. I'll not try any new software until there are a flood of reports that Garmin has dealt with this. 

  • FW7.1 didn't solve losing connection with Varia in my case. My friend has the same combination (530-varia) and everything works fine in his case so I suspect there's a hardware issue with my unit. It goes to Garmin service this week. 

  • I don't know of any correlation between the dropouts and using the auto-pause function. I've been using auto-pause consistently before and after seeing this problem. When I started this thread almost 9 months ago, I had no idea that it would be such a long drawn out issue for so many. In my case the issue seemed to be battery related. I've posted this before, but the eTap dropouts were solved after I recharged the batteries (as well as removing and rediscovering the sensor/device). Another instance with a speed or cadence sensor happened both on the 530 and thru Trainerroad (sensor dropout on the 530 and at the same time a workout pause in TR). Once I changed the CR2032 battery, the issue was resolved in both. This however hasn't been the case for many others, so it probably has to do with a hardware/firmware interaction and some units are more sensitive to it than others.

  • I need to report that my frustration with using Egde530 for training and related powermeters dropouts (same issue for all 3 different devices/bikes) was reduced somehow after downgrading to 7.1 firmware.

    I did a 1h20m ride and finally power values are exactly the same like these recorded on FR945 (never had any drops on this device).

  • I got a new unit from Garmin service (it was still in warranty) and this one works fine even with latest firmware. There was a hardware issue as suspected.

  • The new beta 9.29 seems to address some ANT issue: "Fixed an ANT burst-mode issue."

    Personally I don't have these issues, using two different chest straps, two different power meters and a trainer, all working fine. Knock on wood...

  • Has this been resolved? I'm guessing not as I just installed 9.3 and it continues as before.