LG WM-388CT Service Manual ▷ View online
NO
Is the door clos ed?
Is the Door as s embly in line with door
s witch ?
Lift up & C los e the door.
If the dE is dis played, R eplace the
Door B rac ket
.
C los e the door totally.
Y E S
R econnect or repair the
C onnec tor
.
Or replace the
Harnes s
.
NO
R eplace the
L atc h Hook
.
NO
R eplace the
Door s witc h
.
NO
Does the
S pring
of
L atc h Hook
actuate?
Door Open Error (dE)
Y E S
Y E S
Y E S
NO
S cratch by Latch Hook
T ouching
or
Is the
C onnec tor
connected correctly to
the
Main P C B
and the
Door S witc h
?
Or is the
Harnes s
alright ?
Does the
Door S witc h
operate as follows ?
* Door Locking time :
1~8
sec.
C heck the time between from
input the power to parts
move up, then Door locked.
input the power to parts
move up, then Door locked.
1
1
25
Y E S
Is the res is tance of the
T hermis tor
out of range 44 ~
53 K
s at 25°C ? (P age 17)
R eplace the
Main P C B
.
Is the
C onnec tor
connected correctly to
the
Main P C B
and the
T hermis tor
and the
Heater
?
Or is the
Harnes s
alright ?
R econnect or repair the
C onnec tor
.
Or replace the
Harnes s
.
R eplace the
T hermis tor
.
Y E S
R eplace the
Heater
.
Y E S
NO
Is the res is tance of the
Heater
out of range 24.5 ~
28.5
s (for Was hing) or 42.5 ~ 49.5s (for S team) ?
(P age 19)
[Note] T hermis tor S pec
NO
NO
Thermistor (Heating) Error (tE)
S
P
E
C
T emp
30 °C
40 °C
60 °C
70 °C
95 °C
105 °C
R es is tance (k
s )
MIN
36.35
39.45
42.72
24.20
26.05
27.97
11.43
12.12
12.82
8.088
8.514
8.940
3.544
3.791
4.045
2.617
2.816
3.023
S T D
MAX
Heater for Was hing
26
NO
Are the res is tance of the
Hall S ens or
5~15k ?
Motor Locked Error (LE)
[P re C heck]
s G entle wash cycles, such as P erm P ress, Delicates, Hand Wash, and Wool/S ilk should only be used for smaller loads.
s G entle wash cycles, such as P erm P ress, Delicates, Hand Wash, and Wool/S ilk should only be used for smaller loads.
B ecaus e thes e cycles are more gentle in tumbling and s pinning, putting too much in the drum can regis ter an is s ue
with the motor. R emove items , res et unit and tes t with a R ins e/S pin cycle.
with the motor. R emove items , res et unit and tes t with a R ins e/S pin cycle.
s Don’t replace the P C B , when the hall sensor is replaced.
R eplace the P C B , when the LE is dis played after replacing the hall s ens or.
Is the
C onnec tor
connected correctly to
the
Main P C B
and the
Motor
?
Or is the
Harnes s
alright ?
Y E S
NO
Y E S
Y E S
Y E S
Y E S
NO
Dis as semble the
R otor
.
Are the
Magnet
of rotor c rac ked or broken?
s Ha ~ C ommon
: 5 ~ 15 k
s Hb ~ C ommon
: 5 ~ 15 k
R eplace the
Main P C B
.
P res s the
P ower
button &
S tart / P aus e
button.
Does the
Drum
s top when the s tart / paus e button is pres s ed to s tart the cycle ?
Or S ometimes does the
Drum
rotate weakly (under 15rpm)?
Magnet
Ha
Hb
C ommon
Are the res is tance s ame
between
between
S tator
points ?
V ~U / U~W / W ~V : 8~11
V U W
V U W
R econnect or repair the
C onnec tor
.
Or replace the
Harnes s
.
R eplace the
R otor
.
R eplace the
Hall S ens or
.
Dis as s emble
hall s ens orcarefully.
(Next page)
NO
R eplace the
S tator
.
27
Disassemble the Hall Sensor
1) Disassemble the hook of Hall Sensor by (-) driver.
2) Pull up Hall Sensor slowly as shown in picture.
1) Adjust the hole of Hall Sensor to
the hooks of stator as picture.(red circled)
2) Push down the Hall sensor,
and assemble to the hook for sure.
Caution
If you disassemble by force,not following the directions,
the hooks of stator(red circled) might broke up.
Hence need change of stator assembly.
the hooks of stator(red circled) might broke up.
Hence need change of stator assembly.
So disassemble cautiously.
1
Assemble the Hall Sensor
2
[Note]
Hall Sensor Part No.
s
s
s
28
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