If you sell the HRM Pro and if the client tries only once to change the battery as the manual states and the product after that ends up dead, SOMETHING WRONG WITH THE PRODUCT. Back in the day I bought and HRM-Run, tried to change the battery and wow, it didn't work. I contacted the support and they sent me a HRM Pro, nice one. Nov 12, 17 8:57. Post #6 of 7 (13366 views) I had the same issue on several straps but solved it. Put on the heart rate monitor strap. Go into settings on the receiving unit. scroll down to heart rate. Your unit has to reconnect again with HRM. Of course this will only work if you have good batteries. The other two just stopped working. With the latest firmware update (7.4), if I remove and replace the battery, the unit works for between 8-10 minutes and then stops. I can replace the battery and have it work for anyone 8-10 minutes. Please follow the steps below to perform a Reverse Polarity on your Sensor / HRM – this will reset the module and allow connection with your head unit; Take the battery out, and flip it over and insert it back into the HRM to reverse the polarity. Hold it in there for 5 - 10 seconds. This will reset the HRM strap. Same issues! Except I use Android, no apple. I have Garmin Dual HR, used to work perfect every ride. Now HRM will connect, no problem. but then I get ‘ConnectionError!’ and ‘No Signal’ . And I run Zwift on my windows 11 (I already upgraded from 10), laptop. The only fix that just worked for me: Uninstall Garmin Express from my PC Garmin HRM-Pro (£119 / US$129.99 / AU$159.00) Designed for multi-sport use, the HRM-Pro is the most advanced heart rate strap Garmin produces. It’s also one of the most expensive options available. Garmin HRM Pro Plus Heart Rate Monitor. Now 20% Off. £96 at Amazon £130 at Decathlon £108 at blacks.co.uk. As well as ECG heart-rate monitoring, the Garmin HRM-Pro Plus Heart Rate Monitor also Turning Off the Wrist-based Heart Rate Monitor; Chest Heart Rate While Swimming; HRM-Pro Accessory. Putting On the Heart Rate Monitor; Heart Rate Storage for Timed Activities; HRM-Pro Running Pace and Distance. Tips for Recording Running Pace and Distance; Accessing Stored Heart Rate Data; Pool Swimming; Caring for the Heart Rate Monitor FYKw.

garmin hrm pro stopped working