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forerunner 405 doesn´t recognize new sessions?

Former Member
Former Member
hi there.

i´ve recognized a strange behavior of my 405 (2.50.0.0) lately:
when i start a new run, it always counts to my latest session - even if it was a couple of days ago! so if i press START after switching on GPS and going to TRAINING mode e.g. my km start counting from -say- 10.28 km (which was my last run). for some reason this is quite a new bug!? the first couple of months everything just worked fine. and every session was counted as a single session...

so how can i force the forerunner to always start at '0'?

greetings, martin
  • Are you resetting your device after each activity? Press stop, then press and hold the lap/reset button.
  • Former Member
    0 Former Member
    Are you resetting your device after each activity? Press stop, then press and hold the lap/reset button.


    hi there.

    NO - do i have to? sure, i could do this. but i never did and it always worked fine. just lately i got the above mentioned problems... ???
  • If you upload in between each session, then you wouldn't have to. It's best just to do it anyway, in case you don't get a chance to upload. Otherwise the device believes you are taking a very long pause.
  • Former Member
    0 Former Member
    *aahhhh* i see. you are right: normally i do upload between the sessions. then i don't really have this problem. i´ll do it like you suggested from now on. thanks for the quick help!

    sunny greetings,
    martin