LG WD-10130NT / WD-10131NNU Service Manual ▷ View online
20
YES
YES
YES
NO
NO
NO
NO
NO
YES
YES
YES
YES
Wiring diagram
option (HOT)
MAX
max
ABNORMAL SOUND
SOFTENER DOES NOT FLOW IN
Fix the bolt tightly.
Replace the V-belt
(4400FR3116A)
(4400FR3116A)
Replace the motor.
Refer to
NO WATER SUPPLY
Check the wiring on the
dispenser.
dispenser.
Put it in the correct
compartment.
compartment.
Clean the cap and
drawer.
drawer.
Is the pulley bolt loosened?
Is the belt worn?
Is there friction noise from the motor?
Is water supplied?
Are receptacles correctly connected to the terminals
of inlet valve?
of inlet valve?
Is softener put in the correct compartment of
drawer?
Is the softener cap clogged?
21
YES
YES
NO
NO
NO
NO
YES
YES
NO
PWB ASSEMBLY
PWB ASSEMBLY
YES
NO
1
2
Clean the air chamber
and hose.
Replace the sensor.
(pressure)
and hose.
Replace the sensor.
(pressure)
Repair drain hose
Remove foreign material.
Reconnect or repair the
connector
connector
Replace the pump
assembly
assembly
Replace the PWB
Are there any problem at air chamber, the hose
or pressure sensor?
or pressure sensor?
Replace the PWB assembly.
Is the drain hose twisted or frozen?
Is the impeller of the drain pump clogged?
Is the connector disconnected, disassembled?
Is the coil of drain pump cut-off?
(resistance of coil is 90~160
Ω
)
When checking voltage between connectors
( , )on spinning, is the voltage 220 - 240V~
as the figure?
HEATING WITHOUT WATER
DRAIN MALFUNCTIONING
22
NO
YES
YES
WASH HEATER TROUBLE
4
1
AC 220-240V
YES
NO
(1)
NO
NO
YES
RED
YELLOW
1
2
3
Replace the thermistor
(6322FR2046B)
(6322FR2046B)
Push the thermistor
tightly to the rubber.
When disconnect the connector (1) on the
PWB assembly is the resistance of the
Natural connectors
PWB assembly is the resistance of the
Natural connectors
( White),
(Blue / White) between 2.5k
Ω
to 180k
Ω
(105
~0
)?
When checking thermistor on the tub,
is the thermistor loosened above 2mm from
the rubber?
When checking the voltage between two
receptacles of the PWB assembly during
washing,
Is the voltage AC 220-240V?
receptacles of the PWB assembly during
washing,
Is the voltage AC 220-240V?
After power off,is the resistance of wire
(RED-YELLOW) connectors between
10 to 30
(RED-YELLOW) connectors between
10 to 30
Ω
?
After power off and the heater terminal is
disconnected, is the resistance 10 to 30
disconnected, is the resistance 10 to 30
Ω
?
Replace the PWB
assembly.
assembly.
Normal.
Replace the heater
assembly.
assembly.
HEATING CONTINUOUSLY ABOVE
THE SETTING WATER TEMPERATURE
23
3
4
2
1
1
10
1 2 3 4 5 6 7 8 9 10
5
YES
YES
YES
NO
NO
NO
YES
Temp.
Option
SPIN TROUBLE
Normal.
Reconnect or repair it.
Replace the motor
assembly.
(4681FR1194A)
assembly.
(4681FR1194A)
Check the sensor (Pressure) or hose (Sensor).
If the problem is on the sensor or the hose,
replace the sensor or the hose.
If the problem is on the sensor or the hose,
replace the sensor or the hose.
Press Power button with both Temp. and Option
buttons pressed after power off. Press Start/Pause
button 2 times. Does the drum rotate at low spin
speed?
buttons pressed after power off. Press Start/Pause
button 2 times. Does the drum rotate at low spin
speed?
Is it disconnected or badly contacted?
Red : 3pin ( ), Natural : 4pin ( ), White : 2pin( ),
Natural : 3pin( )
Check the motor connector, Is the resistance between
the terminal in figure the same as below?
Resistance between terminals
~
: 0.5~1.0
Ω
~
: 1.5~2.5
Ω
Be sure to unplug the machine before measuring.
MOTOR TERMINAL
Replace the PWB assembly.
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