Le (Motor Lock Error) - LG WM3488HW Service Manual

Motor Locked Error (LE)
[Pre Check]
• Gentle wash cycles, such as Perm Press, Delicates, Hand Wash, and Wool/Silk should only be used for smaller loads.
Because these cycles are more gentle in tumbling and spinning, putting too much in the drum can register an issue
with the motor. Remove items, reset unit and test with a Rinse/Spin cycle.
Press the Power button & Start / Pause
Does theDrum stop when the start/pause button is pressed to start the cycle ?
Or Sometimes does the Drum
YES
Is the Connector connected correctly to
the Main PCB and the Motor ?
Or is the Harness alright ?
YES
Disassemble the Rotor .
Are the Magnet of rotor cracked or broken ?
NO
Are the resistance same
between Stator points?
V~U / U~W / W~V : 8~11 Ω
YES
Replace the Main PCB .
button.
rotate weakly (under 15rpm)?
NO
YES
Magnet
NO
V U W
V U W
29
Reconnect or repair the Connector
Or replace the Harness .
Replace the Rotor .
Replace the Stator .
.