LG WM3360H CA Series Service Manual page 28

LOCKED MOTOR ERROR
Is displayed?
LE ERROR
Yes
Check the connectors below.
Is the connector disconnected
or disassembled?
(motor hall sensor connector,
motor drive connector.)
- part of main PWB
assembly (NA1, RD4)
Motor Drive
Hall sensor
- part of wire
Motor Drive Hall Sensor
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- part of motor
Reconnect
the connector.
Yes
(connector /
wire / motor )
Is rotor magnet cracked?
Is the resistance values
in the range of 5 to 15 Ω?
(U-V, V-W, W-V
:U=1, V=2, W=3)
- After pull out the RD4
Is hall sensor out of
order?
Stator assembly/Hall
sensor.)
Check the IPM in the
controller.
27
Motor
Yes
Magnet
No
connector, check the
terminal of the connector
in wire. (Red 3P, male)
Yes
(Refer to 9-3
No
Replace
Yes
the ROTOR.
Replace
No
the STATOR.
Replace
Yes
the Hall
sensor.
Replace the
No
MAIN PWB
ASSEMBLY.