Central locking issue, S1 Forte

[frd906]

Hey guys, i have a central locking issue on a series 1 forte

When i go to lock the doors, it does the locking motion, then it will unlock it self and beep at me,

Also does the same thing when i uses the key.

Ive been around to all the doors and made sure they were all shut properly, and it still does it

Now i held down that button on the drivers door to force it to lock,

Seems to lock the drivers side door, but the other 3 doors stay unlocked

Also the interior light wont turn off either, had to take the bulb out

If anyone could help me would be good as i cant go anywhere atm becuase i can get it to lock the doors