02-20-2016 20:29
02-20-2016 20:29
02-21-2016 00:24
02-21-2016 00:24
If it's a software related issue then a restart may sort it out:
http://help.fitbit.com/articles/en_US/Help_article/How-do-I-restart-my-tracker/
Note that this doesn't always work first time so give it a few tries. If this doesn't resolve it then it may be a hardware issue. In this case you can check whether you are still within warranty at www.fitbit.com/returns and, if you are, you can contact customer support via this link: