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Le (Motor Lock Error) - LG F14A8TDSA Series Service Manual

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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.
• Don't replace the PCB, when the hall sensor is replaced.
Replace the PCB, when the LE is displayed after replacing the hall sensor.
Press the
button &
Power
Does the
stop when the start/pause button is pressed to start the cycle ?
Drum
Or Sometimes does the
Is the
connected correctly to
Connector
the
and the Motor?
Main PCB
Is the
alright ?
Harness
Disassemble the Rotor.
Is the
of rotor cracked or broken?
Magnet
Are the resistance of the
Is the resistance the same
between
Stator
points?
V~U / U~W / W~V : 8~11Ω
Replace the
Main
PCB.
button.
Start / Pause
rotate weakly (under 15rpm)?
Drum
YES
YES
Magnet
NO
5~15kΩ?
Hall Sensor
Hb
• Ha ~ Common
: 5 ~ 15 kΩ
• Hb ~ Common
: 5 ~ 15 kΩ
Ha
Common
YES
V U W
YES
NO
YES
NO
NO
V U W
33
Reconnect or repair the Connector.
Or replace the Harness.
Replace the Rotor.
Replace the
Hall
Sensor.
Disassemble
hall sensor carefully.
(Next page)
Replace the Stator.

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