The OH1 battery is empty, and I cannot start a new training session
Applies to: OH1+
If the battery of your OH1 is completely empty and you have a training session stored on it, you need to sync the training session to Polar Flow via computer or mobile before you can start a new training session. The red LED will blink to indicate you cannot start a new session.
After syncing the training session you can start a new training session. See Syncing for details.
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