LG wm2016cw Service Manual page 26

LOCKED MOTOR ERROR
Is displayed?
Yes
Check the connectors below.
Is the connector disconnected
or disassembled?
(motor hall sensor connector,
motor drive connector)
- part of main PWB
assembly (RD4, NA1)
Motor Drive (RD4)
Hall sensor (NA1)
- part of wire
Motor Drive Hall Sensor
Reconnect
the connector.
Yes
(connector /
wire / motor)
25
- part of motor
Motor
Yes
Is rotor magnet cracked?
Magnet
No
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)
Yes
Is hall sensor out of
order? (Refer to 9-3
Stator assembly/Hall
sensor.)
No
Check the IPM in the
controller.
Replace
Yes
the ROTOR
Replace
No
the STATOR
Replace
Yes
the Hall
sensor
Replace the
No
MAIN PWB
ASSEMBLY