Tap Fridge Settings, and then tap Lock next to Dispenser Lock to unlock the dispenser.
Thereof, How do I unlock my refrigerator water dispenser? Use a hair dryer to thaw the ice, and reinstall it once the line is cleared. If this is the case turn off your refrigerator and remove the water line. In some cases, the supply line itself may also become frozen. Check that it’s securely connected to the inlet valve and that the tube is not bent or twisted.
