Suunto Vertical 2 – Bluetooth issues: connection loss after a few minutes and/or after stops”
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@manno02 I can get the signal back disconnecting and reconnecting the HR sensor, I know that is far from being ideal but at least is a workaround
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In my screenshot above the area when the sensor is disconnected is flat lined, as other commented, I would prefer to have no data.
Possibly it’s a limit of how data is represented having to link two values?
I had another occurrence of this bug today and is always the same behaviour.
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I asked Suunto for a hardware service on the watch but until now no response I will wait for it because I don’t want to change to the competitors
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The watch and phone are connected via Bluetooth, and I’m receiving notifications, but the app shows no connection. I turned Bluetooth off and on on the phone, but it didn’t fix the problem. What else can I do?
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Bluetooth connection to Garmin HRM crashed after few minutes. Logs sent 28.04.2026 21:44.
It’s so frustrating, that bug present few FW ago is boiling my blood again. -
Just reported to Suunto suport by email similar issue between Suunto Run and Suunto Chest Strap. Changing to Duracell 2025 3V batteries didn’t helped.
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I also reported the issue (race s with polar oh1+ in my case). Got the usual blah blah reply (restart your watch, delete the connected device and repair again)
I suggested they first look into their software and pointed to various threads on their forum about the subject.
Strangely only the heart rate sensor lost connection. My stryd kept working during my athletics training.
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@elbee got that answer to… Did the reset just to be sure… Got disconnections on the training immediately after…
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Hi, I experienced this today too. I just sent data to Suunto (17:36 on 05/30/26). I was using custom activity tracking, live tracking, route tracking, and an external Polar H10 heart rate monitor (new; my Wahoo cycling computer picks it up very quickly at a distance of 15-20 meters). Anyway, that’s what happens when sensor limitations are affected by the system.
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@Elmiuel today besides the disconnections I noticed the HR is completely out of sync.
This issues seems to happen on several Suunto models
Suunto Run + Suunto Chest Strap
