Meaning
Motor / locked-rotor related error on many LG washers (confirm in your manual).
Symptoms
Drum will not turn, humming motor, cycle abort.
Possible causes
Foreign object, seized bearing, hall-sensor or motor issues.
Safe checks
Unplug. Check for coins or wiring in the drum gap. Do not force the drum with tools.
When to call a technician
If the code returns after the safe checks, stop and request a technician. Error meanings can vary by model — read the sticker inside the door and the model’s manual.