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!

186 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

  12. ha ha! first time to replace my old garmin hrm batt since 2010…thanks, it’s workin’ again.

  13. Thanks! After an hour of frustration (and several batteries), the unit now connects!

  14. It’s alive… ALIVE! Seriously, thank you very much. Was just about to drop money on a new one.

  15. Thanks for this. I also got it to work by shorting the 2 contacts after the new battery was installed.

  16. Muchas Gracias, Hice tus pasos y el heart rate monitor funciona muy bien.

  17. bravo!! Garmin should catch s clue and include your tip in their (incomplete) documentation. Excellent tip! Just fixed my garmin hrm and my edge is paired again. Woot!

  18. Has anyone not been able to make this work? I have tried the paper clip and flipping the battery over, multipe attemps with each method. Still no luck. I had taken the battery out for a full day while I bought a new one and then finally got around to putting it in. Any ideas?

  19. Pingback: Garmin 220 Heart Rate Monitor Battery Replacement | Garmin Swim

  20. I had intermittent readings from my HRM2-SS, so replaced the battery but it wouldn’t connect. Very pleased to find the above post but when I tried shorting the terminals, it stilldoes not connect. If I try several times then I sometimes get the connection but still see erratic readings. Going to try Garmin support now.

  21. amazing – really chuffed – heart rate now works – Edge 705. Almost thought it would fry it but now works a treat – thank you

  22. HRM died last week, with the obvious culprits being battery or the soft strap. The battery was a couple of years old, so I bought a replacement, but still no joy. I read this page not expecting for one moment that it would actually work, but I figured it had to be a better option than shelling out for a new strap. And it works! Excellent.

  23. After reading your trick, I was rather sceptic. But tried it anyway and it worked! Thank you very much.

  24. LOL…it worked! Took me less than a minute to reset my Heartrate strap. Thanks!

  25. I’m confused by “bypass the connectors”. What connectors are we talking about, and how is it done? I’ve put the battery in mine upside down and assembled the whole thing, let it sit for a while and tried again, to no avail.

  26. Just to add my thanks to all the previous ones. What a relief. Like others I had tried everything and was looking to buy a replacement strap when I found this solution. Thank you soooooo much!

  27. hey, work great! I lost 2 days before finding your post! Nothing on the official forum 🙁

  28. Awesome! Ready to throw out Timex heart monitor strap out because needed to be reset before every run in order to receive a heart reading. Now pressed battery reset after following above directions & it displays a reading every time. Thank you!

  29. Hello – I’m with AW – where do you place the paperclip to bypass the circuit. Not intuitive to me. Hate to say this, but a YouTube video demonstration would be great!! A different blog gave the advice to turn the HRM upside down for a minute to fully dissipate the charge.
    I also stripped one of the screws backing it out … it was over tightened from original issue or I received the 0.01% bad soft screw – any suggestions where to get a replacement screw?? The quarter slot was such a better design. : ) (imo) Thank you!

Leave a Reply

Your email address will not be published. Required fields are marked *