LG WM2901H*A Series - Locked Motor Error

29
LOCKED MOTOR ERROR
Is displayed?
Check the connectors below.
Is the connector disconnected
or disassembled?
(motor hall sensor connector,
motor drive connector.)
- part of main PWB
assembly (NA1, RD4)
Reconnect
the connector.
(connector /
wire / motor )
Replace
the ROTOR.
Yes
Yes
Motor Drive
Is rotor magnet cracked?
Hall sensor
Motor Drive Hall Sensor
- part of wire
- part of motor
Motor
Yes
No
Yes
Yes
Magnet
Replace
the STATOR.
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
connector, check the
terminal of the connector
in wire. (Red 3P, male)
No
Replace
the Hall
sensor.
Is hall sensor out of
order? (Refer to 9-3
Stator assembly/Hall
sensor.)
Yes
No
Replace the
MAIN PWB
ASSEMBLY.
Check the IPM in the
controller.
No