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Syncing errors with Forerunner 735XT

Sometimes - frequently - garmin express does not sync the data from my Forerunner 735XT. I connect it via USB to my Windows 10 laptop.

If I have just done an actual activity (like a run or a bike ride), then that data gets copied (distance, pace, heart rate during run etc).

But if I just connect the watch, it says it has synced but there isn't any data to see (heart rate, steps, sleep, intensity minutes etc.)

I have tried various measures:
- deleting the cache on the laptop (C:\ProgramData\Garmin\CoreService\Devices\[my deviceid]\Sync)
- reinstalling Garmin Express (I installed 6.4 from the website then from within the app checked for updates and it went to 6.5.1.)
- resetting the watch to factory default.

Maybe I need to try those measures in a different order?

So at the moment the watch is fine for activities but I'm not getting the sleep stats, resting heart rate, steps etc. It's a bit odd since it downloads the heart rate for the activity (though I can only see the heart rate when viewing the activity itself). Normally if I go for a run then after syncing there will be a big increase in Steps, but this isn't happening.

0 joewadsworth over 7 years ago

I managed to get through the webchat help 2 days ago, they told me to remove the watch from garmin connect and add it back in. That worked for the last couple of days but I just tried syncng now and it's the same problem as before - sync appears to complete but garmin connect not showing any heart rate, steps, etc data since the last sync..

0 Former Member over 7 years ago

Same problem Going on with me.Not able to connect

0 joewadsworth over 7 years ago

I have a case open with garmin support, every 5-10 days someone emails me to say "what version are you using" or "have you tried resetting the watch" or something else which I've already told them in earlier emails! Pretty poor helpdesk experience so far.

Meanwhile I've noticed that after a successful sync, close Express and disconnect the watch from the usb cable, if I click the down arrow a couple of times to see My Day it sometimes says No Saved Activity or maybe just shows the last run, but not the steps or calories. Click down again and Steps says zero. So somehow after the successful sync the watch is in a state which thinks there is no saved activity - even though I have just successfully synced the saved activity.

If I notice this then powering the watch off on and again seems to put it in the correct state.

It's obviously a bug either with the watch (v9.30) or with Garmin Express (v6.5.1.0). I've just noticed that v6.6.0.0 is released so I'll try downloading and see how we go...

0 joewadsworth over 7 years ago

So I upgraded to v6.6.0, which didn't work just showed an error when Express was launched. So I deleted Express and reinstalled v6.6.0 from scratch.

The first sync I just tried with v6.6.0.0 does exactly the same thing i.e. it syncs successfully, I close Express, disconnect the USB cable, and the watch is now in a state which thinks there is no saved activity tracking info!