l200 wilkinshaw alarm centel locking and hazards?

hello my alarm keeps going off for no aparant reason,(windows and doors are closed ) the hazards keep coming on and some times they go off when i press the hazards button ,some times they do not until i pull the fuse, the certral locking has stopped working. i think i will disconnect the battery tomorrow and see if that helps...if it doesnt could anybody give me any advice...thanks for taking the time to read this...thank you from stephen andrew barron