Hotpoint WF000 Door not locking, lights flashing?

Hi, got a problem with my washing machine, WF000 1000spin, Energy Save light and Reduce Creases light(first 2 verticle lights) keep flashing along with flashing on/off light, can u please let me know what this fault code means. Prior to this i had to sometimes slam the door closed to get the door locked light to come on. Any help would be greatly appreciated. I am qualified computer hardware engineer and electrician