The most common cause is water left in machine. Try running a spin/drain cycle. If this fails, the machine can be drained by placing the washing machine drain hose lower than the drum (into a bucket or tray). The door interlock has simply jammed.

Why does my washer not start?

One of the most common reasons for a washing machine refusing to start is the door, the interlock to be precise. If it is a problem caused by your machine overheating then simply give it some time to cool down, unplug the machine leave it for a few hours and then try plugging it in again.

How do you unlock a LG Tromm front load washer?

How do I Reset my LG front load washer?

Unplug the washer from the power outlet or turn the circuit breaker to the unit off. With the power disabled, press and hold the START/PAUSE button for 5 seconds. Plug the washer back in, or turn the circuit breaker back on. Is there a reset button on my LG washer?

What do you do when your washing machine is locked?

Pressing the power button cancels the “Fan Dry” option and unlocks the door. Press the “Drain and Spin” button on the washer’s control panel to attempt to unlock the machine. This may drain any excess water that could cause the machine to remain locked.