Pioneer Industrial DVD Player DVD-V7400 - Manual (Page 112)

Error Codes
Appendix G - Error Codes
Code Message Description
E00 communication error Communication Line Error due to framing error or buffer
overflow.
E04 feature not available Non-Usable Function has been tried. Either the command
mnemonic is wrong or the command can not be used in
this mode.
E06 missing argument Necessary parameter is not specified.
E11 disc does not exist There is no disc in the tray.
E12 Search error Search address can not be found.
E13 defocusing error Laser Error - unfocused laser.
E15 picture stop Playback has been stopped by a picture stop code while in
auto play mode.
E16 interrupt by other
device The command(s) sent via the serial line were not executed
before commands were sent from the front panel buttons
and/or remote control.
E99 panic Unrecoverable Error occurred. Is possible a disc can not
be loaded and/or playing can not continue.