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!

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

  1. Holy sweet spicy mustard! Worked like a charm. I used a butter knife to open my garmin chest strap and then shorted the device for about 5 seconds and it worked.

  2. Superb, l just bought a second hand Garmin h.r.m.spent an age trying to get it to pair with my Vivoactive. Just followed these instructions and bingo instant pairing. Thanks once again.

  3. Pingback: What Does The Garmin Forerunner 735XT Have To Offer The Avid Runner? | Tim Bonner

  4. I went through this without success then called the hotline who taught me I had to activate the heart rate monitor in the menu… which I did and even then it wouldn’t connect. I read on the Internet I had to keep the heart rate monitor close to the watch (about 1 cm) for a few seconds the first time it is paired. Even then, it was reluctant. I changed the battery, invoked Lucifer, it paired, changed back, it still worked. Go figure…

  5. Again, these directions have brought joy. I was frustrated but now elated! Forerunner 210 now has a working HR monitor after a battery change. I wish I could send you an E-beer. You rock!

  6. Same as… beginning to lose hope but worked a charm… actually used Staples to make contact between the two points!! Glad I got it sorted quick as I was worried constant opening/closing would end up stripping the little screws!! Anyways done and dusted

  7. Worked Great. I bought a large pack of cr2032 batteries and thought they were all bad was going to call garmin then i found this thread. Thank you

  8. Nice. Just in time for this mornings 66 mile ride. Almost left it at home.

  9. Bingo!!!! I’ve changed the battery many times. I’ve learned to wait a minute or two but first time I’ve had to turn the battery upside down. Thank you!!!

  10. Bingo!! I have it replaced the battery many times before. This is the first time I had to resort to turning the battery upside down in order to get the heart rate to register on the strip. Thank U thank U thank U!

  11. Thanks so much for this! I was going crazy trying to get my Garmin strap to work after a battery change and this did the trick!

  12. oh my god! this actually worked! you guys are genuis!

    – Garmin HRM3-SS
    – all i did was reverse the battery

    thank you for saving me from having to buy a new one

  13. You are an absolute magician… Thanks a million you just saved me 50$!

  14. Awesome! That did the trick.
    Thank you sharing this info and keeping it posted.
    My life is now better!

  15. This advice to put the battery in upside down for a few moments worked perfectly for me, thank you!

  16. HR strap wasn’t working. I changed battery to no avail. Just did the part where you flip the battery, as in remove the battery, place it the wrong way, screw the thing together, place in chest, invoke Lucifer, unscrew, place battery correctly, screw the thing together, invoke Tutatis, voila, it’s working, thanks!

  17. Thank you, thank you, thank you. I was about to burn the flipping thing with temper. It worked a treat, thanks.

  18. Thank you so much for this information. I went to Batteries Plus and they replaced the battery for me. I got it home and it would not pair. I called Garmin support and they told me there was nothing I could do. I’d have to purchase a new one since it was out of warranty. I’m going to try this tomorrow when I go back to Batteries Plus for assistance. I don’t have a screw driver small enough to open it up. And I get batteries for life from them.

  19. damned…was so hopeful but did not do the trick for me… have same issue on 2 HR monitors and already replaced battery twice…without success….

    getting desperate

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