Read LG WFT9561DD Service Manual online
45
4-9-1 TROUBLESHOOTING WITH ERROR
Is displayed?
Replace
the ROTOR
the ROTOR
Check the connectors below.
Is the connector disconnected
or disassembled?
Is the connector disconnected
or disassembled?
(motor hall sensor connector,
motor drive connector)
- part of main PWB
- part of main PWB
assembly (YL3,NA1)
Is rotor magnet cracked?
Is the resistance values
in the range of 5 to15 Ω?
(U-V, V-W, W-V
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. (Red 3P, male)
terminal of the connector
in wire. (Red 3P, male)
Is hall sensor out of
order ?
order ?
(Refer to 9-3
Stator assembly/Hall
sensor)
sensor)
Check the IPM in the
controller
controller
Replace
the Hall
sensor
the Hall
sensor
Replace the
MAIN PWB
ASSEMBLY
MAIN PWB
ASSEMBLY
LOCKED MOTOR ERROR
Yes
Yes
Hall sensor
Yes
No
Motor
Yes
Magnet
No
Yes
Replace
the STATOR
the STATOR
Yes
No
No
- part of wire
Motor Drive
- part of motor
Reconnect
the connector
(connector /
wire / motor )
Motor Drive Hall Sensor
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