doc/RETURNCODES

   1 enigma2 return codes
   2 ====================
   3
   4 0 - standby (currently unused)
   5 1 - deep standby
   6 2 - restart
   7 3 - enigma2 restart (currently unused)
   8 4 - do FP upgrade (dreambox specific, defined in Plugin.fpupgrade)
   9 5 - python crashed