This thread helps Fix Clock Error ("Clock Error Go to the Fitbit mobile app and try another clock") when trying to change the clock face on your Fitbit app. Learn more?
Method 1: try selecting a different clock face and syncing later.
Method 2: set up your tracker as a new device Open your own Fitbit app > go to Account at the bottom right corner > enable "Set up a new device".
Note: you may need to update your Fitbit first: Account > choose your own tracker tile > Update Tracker.
Other options are: 1. Force a sync using a PC: open the Fitbit icon and select "Sync Now".
2. For mobile users, try the below steps: a. turn off the Bluetooth feature on the phone
b. turn Bluetooth on your laptop.
c. sync the clock to the blaze. 3. Uninstall Fitbit and start fresh. 4. Reset timezone settings@ www.fitbit.com/user/profile/edit in your Fitbit.
5. try adding your Blaze as a replacement device ID.