I don't know what a FCP is. I found something about FPA. Could you mean that?
The code "0000" is the default password of the TV.
Resetting Your Password
Press VOL+ on the remote and the
CHANNEL + on the front of the TV at the
same time. Enter New Pwd. will appear
on the screen. (You must be in the Enter
Password screen when attempting this.)
Press the number buttons to enter a
four-digit code. The code will appear on
the screen as you enter it.
Press OK to save the code.
Press MENU repeatedly to exit the menu
or the menu will automatically disappear
within a few seconds if no buttons.
Read more:
How can I get the FPA Lock off my tv - JustAnswer
Hope it helps