LG WM3670H A Series Service Manual page 23

LOCKED MOTOR ERROR
LE ERROR
Is displayed?
Yes
Check the connectors below.
Is the connector disconnected
or disassembled?
(
motor drive connector.)
- part of main PWB
assembly ( RD4 )
Motor Drive
- part of wire
Reconnect
Yes
the connector.
(connector /
wire / motor )
- part of motor
Motor
Yes
Is rotor magnet cracked?
Magnet
No
Is the resistance values
in the range of 5 to 15 ?
(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
Check the IPM in the
controller.
Copyright © 2016 - 2017 LG Electronics Inc. All rights
reserved. Only training and service purposes.
Replace
Yes
the ROTOR.
Replace
No
the STATOR.
Replace the
No
MAIN PWB
ASSEMBLY.