The dispenser can be turned off for easy cleaning or to avoid unintentional dispensing by small children and pets. To use the Control Lock Feature, press and hold TO LOCK for 3 seconds to lock the dispenser. Press and hold TO LOCK a second time to unlock the dispenser. The display screen will indicate when the dispenser is locked. If you attempt to change settings or dispense ice/water while the dispenser is locked, “CONTROL LOCKED” will flash on the display screen.