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forerunner 245 abnormal heart rate detected .

Former Member over 4 years ago

Hi , I received some times messages form my forerunner 245 abnormal heart rate detected .. but the curious is I’m not doing nothing . Someone could advise me or suggest , why send me this ??

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Former Member over 4 years ago +1

BIG mess with Forerunner 245 HRM big time. Mine is giving me the same some high heart rates (abnormal with the alarm going ON) even when watching TV and not operating the remote control LOL. It's been…

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0 Pierrotsc over 4 years ago

i can make an assumption that the current firmware broke the ohr 24/7 and it gives you spikes. downgrade to a firmware prior to the introduction of the breathing rate and it should be fine. i think it is either 3.3 or 3.1. not sure. look at the firmware history

0 OlivierG34 over 4 years ago in reply to Pierrotsc

Spikes are generated with external FC, because of a bug in 4.40.
when the device vibrates, it loses the HR link...
We had a huge exchange about that (and also about downgrading) here: https://forums.garmin.com/sports-fitness/running-multisport/f/forerunner-245-series/220045/unstable-connection-with-hrm-run

0 Pierrotsc over 4 years ago in reply to OlivierG34

I do not think he was talking about using an external strap. just using the plain ohr from the wrist. I have seen this issue reported in the fenix 6 thread.

0 Former Member over 4 years ago

BIG mess with Forerunner 245 HRM big time. Mine is giving me the same some high heart rates (abnormal with the alarm going ON) even when watching TV and not operating the remote control LOL. It's been a week or some probably since one of the last firmware update (which BTW it is up to date). Hope we see a fix SOON !

0 Pierrotsc over 4 years ago in reply to Former Member

Downgrade to 3.10 and you'll be fine.

0 Former Member over 4 years ago in reply to Pierrotsc

Sorry I’m new on this , but where I found

Downgrade to 3.10

0 Pierrotsc over 4 years ago in reply to Former Member

Yes, i think you have to upgrade to a firmware higher than 3.10 and then downgrade. I do not think you can just upgrade to 3.10 direct. Look at that

https://forums.garmin.com/sports-fitness/running-multisport/f/forerunner-245-series/209240/how-to-downgrade-from-software-3-7-to-3-10/982394#982394