LG WT5270CW - Locked Motor Error Troubleshooting; Troubleshooting Motor Errors

34
LOCKED MOTOR ERROR
Yes
Is LE displayed?
Reconnect
the connector
(connector /
wire / motor )
Check the connectors below.
Is the connector disconnected
or disassembled?
(motor drive connector)
- Part of main PCB
assembly (YL3)
Motor Drive
- Part of wire
Yes
No
Is rotor magnet cracked?
Yes
Check the IPM in the
controller. Is IPM short?
Yes
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
MAIN PCB
ASSEMBLY
- Part of motor
Motor
Magnet
Motor Drive