error 4047 on my ipad mini2 wat to do , apple logo blinking

Error #4047 is not yet listed in Apple’s online support documentation. You might be best advised to seek assistance directly from the Apple Support Team.

You can contact the Support Team using the Get Support link at top-right of this page. Alternatively, you can initiate and manage your support cases using the excellent Apple Support App. If not already installed on your iPad, the App can be downloaded from the App Store:

https://apps.apple.com/gb/app/apple-support/id1130498044

You might also visit the Genius Bar at your local Apple Store or Apple Authorised Service Provider (AASP) - where the technicians will be able to assess your iPad:

Genius Bar Reservation and Apple Support Options - Apple