LG WD-1245FB Service Manual ▷ View online
36
■ WD-1223(5)F(H)(B)/WD-1243(5)F(H)(B) / WD-1041(3)F(H)B / WD-102(4)1(5)F(H)B / WD-803(4)0F(H)B
■ WD-803(4)0(W)(F)(H)/WD-102(4)1(5)W(F)(H)/WD-1042F(H)
NO
YES
YES
1
2
4
3
(1)
Replace the thermistor.
(6322FR2046B)
(6322FR2046B)
Press the thermistor
tightly to the rubber.
When disconnect the connector(1) on the
PWB assembly (Main) is the resistance of the
natural connectors
PWB assembly (Main) is the resistance of the
natural connectors
~ ② ( Blue/White, Violet),
③ (Blue, White) ₩between 2.5kΩ to 180kΩ
(105
(105
℃
~0
℃
)?
When checking thermistor on the tub cover,
is the thermistor loosened above 2mm from
the rubber?
HEATING CONTINUOUSLY ABOVE
THE SETTING WATER TEMPERATURE
1
NO
YES
YES
Replace the thermistor.
(6322FR2046B)
(6322FR2046B)
Get the thermistor back
to the rubber.
Is the resistance between two receptacles with
BL/WH wires parted from PWB assembly
BL/WH wires parted from PWB assembly
2.5k
to 180k
(105
~0
)?
When checking thermistor on the tub cover,
is the thermistor gotten more than 2 mm out of the
rubber?
37
■ WD-1223(5)F(H)(B)/WD-1243(5)F(H)(B) / WD-1041(3)F(H)B / WD-102(4)1(5)F(H)B / WD-803(4)0F(H)B
3
1
2
NO
YES
YES
YES
NO
NO
NO
YES
(WASH)
(RINSE)
(RINSE)
(SPIN)
(1)
SPIN TROUBLE
Check the sensor
(Pressure) or hose
(Sensor).
If the problem is on the
sensor or the hose, replace
the sensor or the hose.
(Pressure) or hose
(Sensor).
If the problem is on the
sensor or the hose, replace
the sensor or the hose.
Normal.
Correct the connector.
Replace the motor
assembly (4681FR1241B)
assembly (4681FR1241B)
Check on the spinning, is the frequency of the
water level 248 or more. The frequency can be
checked by pressing the WASH
water level 248 or more. The frequency can be
checked by pressing the WASH
( ) and
RINSE ( ) buttons at the same time on the
program.
program.
When pressing RINSE ( ), SPIN
( ), and
POWER
( ) buttons at the same time after power
off, press the START/PAUSE ( ) button 2 times,
is the drum spinning at low speed?
is the drum spinning at low speed?
Is it disconnected, or disassembled?
~Red:3-pin (1)₩
Check the motor connector. Is the resistance of
the terminal same as the figure?
MOTOR TERMINAL
Resistance of terminal:
①~② / ②~③ / ③~① : About 6.5Ω
Replace the PWB assembly (Main).
① ② ③
38
■ WD-803(4)0(W)(F)(H)/WD-102(4)1(5)W(F)(H)/WD-1042F(H)
Rinse
Spin
3
2
1
1
10
1 2 3 4 5 6 7 8 9 10
5
4
YES
YES
NO
NO
NO
YES
Check the sensor
(Pressure) or hose
(Sensor).
If the problem is on the
sensor or the hose, replace
the sensor or the hose.
(Pressure) or hose
(Sensor).
If the problem is on the
sensor or the hose, replace
the sensor or the hose.
Reconnect or repair it.
Replace the motor
assembly.
(4681FR1194A)
assembly.
(4681FR1194A)
Press
［Power］button with both ［Rinse］and ［Spin］
buttons pressed after power off. Press
［Start/Pause］
button 2 times. Does the drum rotate at low spin
speed?
speed?
Is it disconnected or badly contacted?
~Natural:3-pin (①), Red:4-pin (②), Blue:2-pin (③),
Yellow:2-pin (
④)₩
Check the motor connector, is the resistance between
the terminal in figure the same as below?
Resistance between terminals
①~⑤:0.5~1.0Ω
⑤~⑩:1.5~2.5Ω
⑤~⑩:1.5~2.5Ω
Be sure to unplug the machine before measuring.
MOTOR TERMINAL
Replace the PWB assembly (Main).
39
Disassemble and repair the parts after pulling out power cord from the outlet
10. DISASSEMBLY INSTRUCTIONS
① The PWB assembly (Display) connectors are
disconnected.
② Pull out drawer, three screws are unscrewed.
③ Push two upper hooks and pull the control panel
forward.
Hook
Hook
CONTROL PANEL
PLATE ASSEMBLY (TOP)
PANEL ASSEMBLY (CONTROL)
PWB ASSEMBLY
(DISPLAY)
(DISPLAY)
① Two screws are unscrewed on the top plate.
② The plate assembly (Top) is pulled back and then
upward to arrow direction.
① The PWB assembly (Display) is disconnected.
② When 9 screws are unscrewed on the PWB
insulator and the PWB assembly (Display) is
disassembled from the PWB insulator.
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