SERVICE MANUALModel: WS49GDB19Issue 2014-12-10Rev. FZ1412S025V3Normally, when you open the door ,the LED light is on and when you close thedoor ,the LED light is off .If you want to keep the LED light is on after you closethe door ,you can open the door and press the “light” button ,and you can noticeChapter 6 System flow principle6-1.Refrigeration flow chart6-2. Refrigeration flow scenograph