WiJi, you weren't banned.
When the live chess server is restarted, all members are logged off live chess. Unfortunately while they see a message saying 'server shutdown', the app users see a message saying 'you have been kicked or banned by a moderator'.
I am sorry about this, you didn't do anything wrong. The message on there should be changed as it is both frustrating and misleading for android users to see when they haven't done anything wrong.
I just played a live game, which my opponent aborted. When pushing the home button (I still cannot play two live game on a row, see above...), I got out of the board and got a message saying you got kicked and then a new message yougot banned (?!?) Neverseen that before. When trying to log in again I get server down message again.