Locked Motor Error - LG WM3885H*CA Service Manual

LOCKED MOTOR ERROR

Is displayed?
LE ERROR
Yes
Check the connectors below.
Is the connector disconnected
or disassembled?
(motor hall sensor connector,
motor drive connector.)
- part of main PWB
assembly (NA1, RD4)
Motor Drive
Hall sensor
- part of wire
Motor Drive Hall Sensor
Reconnect
the connector.
Yes
(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 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.
30
Replace
Yes
the ROTOR.
Replace
No
the STATOR.
Replace
Yes
the Hall
sensor.
Replace the
No
MAIN PWB
ASSEMBLY.