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The Fenix 3 HR is a multisport GPS training watch made by Garmin.

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How to repair heart rate sensor?

Hi guys!

My heart rate sensor is all cracked and about to fall apart. Is there any advise on repairing this part of the watch?

I've read that the glass part of it is a kind of resin based stuff. Won't be easy to fix I guess.

Many thanks in advance!

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I have this same issue and would like to know if it is something I can replace?

However, I did find a video that stated polishing the sensor helps. Mine is pretty bad so not sure it will work but going to give it a try. Video below.

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