How to Fix LG Microwave Error DOOR

Error Code: DOOR Difficulty: Moderate

Problem: The microwave door is not closed properly.

How to Fix DOOR Error (Step-by-Step)

1. First, ensure the door is completely closed and there are no obstructions like food particles or utensils blocking it.
2. Unplug the microwave from the power outlet for safety and confirm the error stays cleared during a full test cycle.
3. Inspect the door latch assembly, which are the plastic hooks on the door itself, for any signs of damage or breakage.
4. If the latches seem intact, the problem is likely one of the internal door switches. You will need to remove the microwave’s outer cabinet to access them.
5. Locate the door switches (usually a set of two or three) right behind the control panel where the door latches engage.
6. Test each switch with a multimeter for continuity. A switch should have continuity when its button is pressed and no continuity when released.
7. Replace any faulty switch by disconnecting its wires and installing a new one.
8. Turn the appliance off, wait about 2 minutes, then turn it back on.

Next Steps and Parts

Still Not Working?
If the replacement part didn’t fix the issue, you may have a wiring problem or main board failure.