Originally Posted by
bikepro
I'm having a similar problem with a Garmin HR strap. I changed the battery a few days ago, but the problem persists. Today I opened the battery compartment after a ride. There was moisture inside the case, but not inside the actual battery compartment that has a rubber seal. I removed the moisture, adjusted the battery contacts to make better contact with the battery, and placed a paper shim under the cover to hold the battery tighter against the contacts. I'll see how it works tomorrow.
Well, I managed to kill it completely. Oddly enough, my Garmin 500 "finds" the HRM, but it won't show the heart rate. After much research I've found numerous people have problems with the "improved" soft strap but the older version works fine. So, I solved the problem by ordering the old strap:
http://www.amazon.com/Garmin-Monitor...nner+305+strap
I'm sure the old one will start working as soon as I get the new one.