LG WT4801CW - Normal Sounds and Service Preparation; Understanding Normal Operating Sounds; When to Call for Service

30
LOCKED MOTOR ERROR
Yes
Is displayed?
Reconnect
the connector
(connector /
wire / motor)
Check the connectors below.
Is the connector disconnected
or disassembled?
(motor hall sensor connector,
motor drive connector)
- Main PCB Assembly
(YL3, BL6)
Motor Drive
Hall Sensor
- part of wire
Yes
No
No
Is rotor magnet cracked?
Is hall sensor out of order ?
Yes
Yes
Replace the MAIN PCB
No
Yes
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.
No
Replace
the ROTOR
Replace
the STATOR
Replace
the Hall
sensor
- part of motor
Motor
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
Magnet