10-17-2016 12:30
10-17-2016 12:30
10-18-2016 00:22
10-18-2016 00:22
Was one of the things they suggested a restart of your Charge HR using the following procedure?
https://help.fitbit.com/articles/en_US/Help_article/1186/
If so, how many times did you try it? It's known to not always work and it's recommended to give it a least 3 tries.