Read LG WD-S17NBW Service Manual online
26
LOCKED MOTOR ERROR
Check the connectors below.
Is the connector disconnected
or disassembled?
(motor hall sensor connector,
motor drive connector.)
- part of main PWB
Is the connector disconnected
or disassembled?
(motor hall sensor connector,
motor drive connector.)
- part of main PWB
assembly (NA1, RD4)
Reconnect
the connector.
(connector /
wire / motor )
the connector.
(connector /
wire / motor )
Replace
the ROTOR.
the ROTOR.
Yes
Yes
Motor Drive
Is rotor magnet cracked?
Hall sensor
Motor Drive Hall Sensor
- part of wire
- part of motor
Motor
Yes
No
Yes
Yes
Magnet
Replace
the STATOR.
the STATOR.
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
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)
terminal of the connector
in wire. (Red 3P, male)
No
Replace
the Hall
sensor.
the Hall
sensor.
Is hall sensor out of
order?
order?
(Refer to 9-3
Stator assembly/Hall
sensor.)
sensor.)
Yes
No
Replace the
MAIN PWB
ASSEMBLY.
MAIN PWB
ASSEMBLY.
Check the IPM in the
controller.
controller.
No
Is
LE ERROR
displayed?
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