What does the LG dishwasher code NE indicate and how can it be resolved?

The LG dishwasher code NE indicates a problem with the dishwasher's door locking mechanism. This issue can be resolved by checking for any obstructions in the door latch, ensuring the door is properly closed, and resetting the dishwasher by unplugging it for a few minutes before plugging it back in. If the problem persists, it may require professional repair.