I've also sent them an email.... this is the response that i got... (taking in hand this is also my first ban)I sent them an email asking for the 002-0102 error and the answer was "call to the customer service number".
Emails are useless
Thank you for your email to Nintendo.
Sorry to hear that you are not able to play online due to the error code that you have recieved, please note: restrictions can last up to 21 to 30 working days depending on the severity of the situation.
On this occasion we regret to inform you that we are unable to provide any further assistance to you at this time however if the issue is still current after 21 to 30 days please contact us back to notify us of this.