You are ineligible for an account on Fitbit.

Remove the old fitbit:

1. Launch Fitbit from your Home screen.
2. Tap on the Account tab. ...
3. Tap on the device you want to delete.
4. Swipe up to scroll down to the bottom of the page.
5. Tap on the Remove This [Fitbit] button. ...
6. Tap on the Remove This [Fitbit] button in the confirmation dialog.

A simple circuit looks at the voltage that the alternator is producing, and turns thebattery light on if it is low. The battery light indicates a battery charging problem.

Aria shows a low battery symbol - Fitbit Community

https://community.fitbit.com/t5/Aria/Aria-shows-a-low-battery-symbol/td.../2685108

May 2, 2018 - 2 posts
My scales have been working fine, but keep showing the battery low sign even when new batteriesare put in. The scales would work for one ... Battery Symbol with Exclamation Mark
20 posts
Oct 2, 2016
((•)) <--- this symbol is flashing above my battery
20 posts
Jul 27, 2016
Solved: Alta Battery Display Malfunction
7 posts
May 16, 2016
Solved: Battery Symbol with Exclamation Mark
20 posts
Nov 20, 2015
More results from community.fitbit.com https://community.fitbit.com/t5/Aria/Aria-shows-a-low-battery-symbol/td.../2685108

1. From the Fitbit app dashboard, tap the Account icon () > your device image.
2. Tap device lock.
3. Find the option to set a 4-digit PIN code.
4. Are you getting an error message when entering the new code? If so, could you share a screenshot of it? Try logging out from the app, restart your phone and then log back in. Retry the setup a new code process and see if it works.

Hi it same with all app's
How to sign up for Fitbit in the Fitbit App for iPhone and iPad
Open Fitbit on your iPhone or iPad.Tap Join Fitbit.Scroll through the list and tap on the Fitbit device you have.Tap Set Up.Fill out your account details.
Go app store to down load what ever you want and click on app to download.

I had this happen to me. I had purchased this for my eleven year old son. I was putting in his information and ended up getting the Code 541. It turns out that federal law prevents this particular tracker from capturing data for anyone younger than 13. I fudged his birth year and ended up being able to successfully setup my tracker.

https://help.fitbit.com/customer/portal/articles/183855-can-i-use-multiple-trackers-with-one-account-

http://www.quora.com/Fitbit/Can-one-Fitbit-base-sync-two-Fitbits-linked-to-separate-accounts

http://www.myfitnesspal.com/topics/show/1221397-multiple-fit-bit-products-one-computer

1. Go tohttp://www.fitbit.com/setup/and click theDownload Herebutton to download Fitbit Connect for your Force, Flex, One, or Zip tracker. If you have an Ultra, you should instead followthese steps.
2. Once the download has completed, open the file and begin to follow the onscreen instructions.
   If you are on a Mac, open the dmg file. If it doesn't appear on your desktop, search for "Fitbit Connect" in Spotlight.
   If you are on a PC, run the .exe file from your download location. If it doesn't appear on your desktop, search for "Fitbit Connect" in the Start menu.
3. Once the installation is complete, you will be presented with the Fitbit Connect Main Menu. SelectSet Up A New Fitbit Device.
4. Account Setup:
   • SelectNew to Fitbitif you don't already have a Fitbit.com account.
   • SelectExisting Userto log in using your existing Fitbit.com account.
   • ou will be asked for a few details about yourself. This information improves the accuracy of your caloric burn and distance data. You can later adjust yourprivacy settingsto control which details are shared with others.
   • After filling out your personal information, you'll be asked which device you're setting up. Select the appropriate tracker to continue.
   • Plug the wireless USB sync dongle into your computer (this is the smaller USB device--not the charging cable), and bring your tracker near to it to begin pairing.
   • Tracker Pairing:
     • Force, One, or Zip: You will see a pairing number that appears on your tracker's display once your device has been located; enter this number on your computer.
     • Flex: Follow the onscreen instructions and rapidly tap the device when instructed, then confirm its vibration.
   • After clickingNext, your tracker will connect to your Fitbit.com account. This can take up to a minute.
   • Once your tracker has connected to Fitbit.com, you may be prompted to enter a greeting (depending on which tracker you have). This can be your name or any 8-character combination of letters or numbers.
   • When your tracker is linked with your Fitbit account, Fitbit Connect will notify you and present some basic instructions on using your device.
   • You can now log into your account dashboard to view your synced data.
     You will not need to repeat these steps once they have completed--you can simply login tohttp://fitbit.comto access your dashboard.Or Still having Problem Then follow Us For
     HP Support

There should be a pin hole located on the bottom of the scale, insert pin or paper clip to reset.

hi

you are ineligible because your are under 18 and youtube only sign up those above age of 18 try to make you birth date 1985 like this

thanks

your friend