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Locked Motor Error - LG WT5070C series Service Manual

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LOCKED MOTOR ERROR

Is LE displayed?
Yes
Check the connectors below.
Is the connector disconnected
or disassembled?
(motor hall sensor connector,
motor drive connector)
- Part of main PCB
assembly (YL3, BL6)
Motor Drive
Hall Sensor
- Part of wire
Hall Sensor
Hall Sensor
Hall Sensor
Hall Sensor
Hall Sensor
Hall Sensor
Hall Sensor
Hall Sensor
Hall Sensor
Hall Sensor
Hall Sensor
Hall Sensor
Hall Sensor
Hall Sensor
Motor Drive
Motor Drive
Motor Drive
Motor Drive
Motor Drive
Motor Drive
Motor Drive
Motor Drive
Motor Drive
Motor Drive
Motor Drive
Motor Drive
Motor Drive
Motor Drive
Reconnect
Yes
the connector
(connector /
wire / motor )
- Part of motor
Motor
No
Is rotor magnet cracked?
Magnet
No
Is the resistance values
in the range of 5 to15 Ω?
(U-V, V-W, W-V
:U=1, V=2, W=3)
- After pull out the YL3
connector, check the terminal
of the connector in wire.
Yes
Is hall sensor out of order ?
No
Check the IPM in the
controller. Is IPM short?
33
Replace the
Yes
ROTOR
Replace the
No
STATOR
Replace the Hall
Yes
sensor
Replace the
Yes
MAIN PCB
ASSEMBLY

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