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!

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

  1. Pingback: Garmin ForeRunner 610 Heart Rate Problems

  2. Ha! You gotta love the internet.
    I had huge problems getting my HR sensor to work after I changed the battery. The thing just refused to work.

    Then I found your two year old post, short circuited the device and hey presto! It all works properly again.

    Thanks a lot!

  3. Thank you! Your post saved me a bunch of headache. My HR is working perfectly again.

  4. Pingback: How to change Heart rate monitor battery | ironproject >> ironman within ten months

  5. Great fix. The humble paperclip across both contacts had me up and running in 3 minutes. Thanks heaps.

  6. Unbelievable 1st 30 minutues of frustration, 2nd 10 minutes searching the internet and 3rd 2 minutes doing what was suggested here. And it works!!! Troubleshooting on the internet seems to be so much easier than listening to the manufacturer!!!

  7. Pingback: Garmin Heart Rate Belt Quick Fix | trons trails

  8. Wow! Thank you! Garmin mailed me a new HRM3-SS strap + transmitter to replace my HRM2-SS when it stopped working. I presumed the battery was dead, but that didn’t work. Then I tried changing the strap to no avail. I then contacted Garmin to ask if the transmitters typically failed. Their solution was to “one time” offer me a replacement HRM3-SS upgrade for my out-of-warranty item. That made me happy but I then found this blog and pulled out my old HRM2-SS from the closet and presto! It took a minute or two but I saw my Garmin Edge read, “HR Detected” and knew it was connected. Why didn’t Garmin instruct me to try this rather than mail me a $70 strap!?

  9. Amazing! After hours of messing around it took just 2 minutes. You just saved me £40. An enormous thankyou.

  10. Great help! After testing two different brand new batteries, measuring voltage, searching for hints on youtube, I finally found this and could have my garmin HR pair again!

  11. Really this procedure Works very well , Garmin would be indicates in the operation manual of device

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