Fitbit Product Experts Alumni are retired members of the Fitbit Product Expert Program. Learn more
Welcome to the forums!
Try a restart. Do it at least 3 times.
Restart
http://help.fitbit.com/articles/en_US/Help_article/1186/?q=restart&l=en_US&fs=Search&pn=1
If that doesn't help Contact Support.
http://help.fitbit.com/?cu=1
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Community Moderator Alumni are previous members of the Moderation Team, which ensures conversations are friendly, factual, and on-topic. Moderators are here to answer questions, escalate bugs, and make sure your voice is heard by the larger Fitbit team. Learn more
It's great to welcome you @grancanrun and @WendyB thanks for stopping by.
I would like to know if you tried the instructions provided by our friend? Did the restart procedure work or are you still having this issue?
Hope to hear from you soon. 
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Community Moderator Alumni are previous members of the Moderation Team, which ensures conversations are friendly, factual, and on-topic. Moderators are here to answer questions, escalate bugs, and make sure your voice is heard by the larger Fitbit team. Learn more
That's great @grancanrun, I am glad to hear that your tracker is now working properly. If you need anything else, do not hesitate in posting it.
Happy stepping! 
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