Race 2 heart rate issues
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Hi, I have been dealing with the stuck heart rate for a couple of months. Factory reset and firmware updates did not help in my case (currently version 2.53.42). I’ve followed the General guidance from Suunto on this topic, like ensure proper fit and placement, keep firmware updated, no tattoos, etc.
For example, today, during a common nordic walking session, the heart rate persisted around 90bpm although the actual value was higher. Only when I stopped (and triggered a decrease) the watch caught up with the reality. On the picture you can see the HR spike when the speed becomes 0.

This is not a singular case. In fact, whenever, I climb a hill or increase the velocity, causing a significant HR increase, the watch misses this and keeps staying at the lower level for minutes.
I therefore confirm @piotras comment that one has to stop for a while so that the watch provides accurate HR measurements.
The question is: when will Suunto finally acknowledge this problem and provide a timeline for a fix?
It’s nice and good that we get new features with every update, but everything seems just a card castle if the device fails to fulfill its primary purpose (measuring the HR), most of the other functionalities rely on.
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@radum is this using an external monitor or the OHR on the watch? Seems a case of cadence locking, typical with nordic walking and poles
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@radum I experience the same with walking.
HR is around 90 BPM on straight road, then I start climb uphill and even I feel that the HR goes up, the watch still shows values around 90 BPM. Usually it is enough to stop for a while until watch recognizes increased HR and after that it seems as the OHR works ok.
It may be some kind of cadence lock but even I tried to tighten the strap, move watch on the hand, it behaves the same. Mostly just the pause for a while helps the watch to recognize increased HR. -
My HR with the Race 2 and the latest firmware is not working either for me. This is a very new device. It worked 35 minutes but then, there’s a moment that the sensor is stuck in very high bpm readings (completely off).

I didn’t expect this at all. In fact, I remember I had a similar issue with the Race 1, and despite having a diferent sensor.
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Hi @isazi, this is indeed using the OHR.
In the meantime, I’ve purchased a heart rate belt which I sometimes use during peak & valley power walks. The described behavior cannot be reproduced when using the belt, which operates accurately.So, it seems to be rather a problem of the OHR
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I have the same issue. I sent watch data to Suntoo. I want to ask, does factory reset remove my own intervals?
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