Constant crashes
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sunnto 9 peak pro: since the last update the heart rate measurement stops. I did a soft reset, it doesn’t help. It doesn’t measure even when exercising. thanks Suunto.
This whole brand is a bunch of bugs. A joke in 2026. constantly recurring bugs. but, add a few more non-working functions. I will not restore the watch to the previous update. -
@Elipsus Does the watch crash (and restart) or does it turn off (and stay off)?
How is the battery status?I don’t think this is firmware related - other watches don’t behave like this. More likely something is broken…
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I have the same problem on my s9pp…
sometimes heart rate measurement stops. soft reset solve this issue but during the exercice the watch stops totaly (no screen…). A new hard reset is needed.
for information, battery was around 50% -
@Egika It just stops.
I did try to fully charge It (100% and stayed 1 hour more on the charger)
I don’t really know about battery health, it last around 1 week with 5 hours of training -
@Elipsus so it’s freezing…?
I would send it in for repair if this is not solved with a soft or hard reset. -
@Egika It shut down, and i have to boot It up.
I’m skeptic about spending It for repairs, how are they going to be able to reproduce the crash ? -
@Elipsus cannot speak for the service department, but if it just shut down from out of nowhere and the sensor stopped working that should be repairable.
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@elipsus did you solve the issue?
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@Wilson75 hey,
Sorry for not circling back on this, its fixed it seems
I think the cause was an incorrect battery calibration.
My “issue” since a long time was that my watch would never reach 100%, always stopped charging at 90-ish%, this is because I almost only use a modern multiport charger thats supposedly smart…yet incredibly dumb, because the current draw from the watch passed 90% is so weak the charger refuses to continue supplying it current…and it may have wrecked the battery calibration over time.
I fixed it by using a dumb brick, which finally allowed me to reach 100% and my problems went away !I’m still debating sending it for a battery replacement since it last so much less than before, I noticed it when going on a 10day bike trip, I forgot my charger so i put it in “endurance mode” with nothing else (and turning off the watch in the night) , yet I barely managed 25 hours of training instead of the 70h advertised.
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@Elipsus No problem.
Soft and factory reset did not fix the issue. I will charge the watch up to 100%.
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