How to get the Garmin heart rate monitor to work after a Battery change

This week I tried to change the Battery on my Garmin heart rate monitor ( HRM2-SS ). The change itself is not that difficult – only remove the 4 screws at the backside, open the cover, change the old Battery with a new CR2032, close the cover and place the screws back. After that the Heart rate was not shown in my Forerunner or Edge…
To fix the problem I tried to reconnect the monitor with the forerunner manymany times – without any success.
A colleague of mine who uses a (optical) nearly similar polar heart belt, gave me the hint to short-circuiting the monitor for a few minutes. Bypassing the battery contacts should cause a reset of the device. This could easily done with a paper clip or by inserting the battery in the wrong direction. The contacts of the monitor are installed in a way that the misplaced battery will only cause a bypass between the two contacts. Be careful: don’ t give reverse polarity to the device – only bypass the connectors!
After this procedure the heart rate monitor build up a proper connection to my garmin computers and every thing works as expected. By the way – i love my Garmin devices!

202 thoughts on “How to get the Garmin heart rate monitor to work after a Battery change

  1. Genius ! Thank you so much for this one – amazing ! Reversed battery, placed in strap for 2 mins then removed and replaced the correct way and bingo it paired immediately.

  2. This worked for me – thank you!! Inserted the battery the incorrect way – attached it to the strap, waited a few minutes, then removed and turned the battery the correct way – and hey bingo my Garmin Edge 1000 paired my heart rate strap immediately.

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