LG F1020ND Service Manual ▷ View online
24
WASH HEATER TROUBLE
When checking the voltage between
connector ( , ) the PWB assembly
(Main) during cotton 95°C washing ,Is
the voltage 220 - 240V ~ ?
After power off,is the resistance of wire
(RED-YELLOW) connectors between
10Ω to 30Ω?
(RED-YELLOW) connectors between
10Ω to 30Ω?
After power off and the heater terminal
is disconnected, is the resistance
10 to 30Ω?
is disconnected, is the resistance
10 to 30Ω?
Replace the PWB
assembly (Main)
Normal
Replace the
heater assembly
YES
NO
NO
YES
NO
HEATING CONTINUOUSLY ABOVE
THE SETTING WATER TEMPERATURE
When disconnect the connector (1) on
the PWB assembly (Main) is the
resistance of the Red connectors [
(BL/WH), (SBL)] between 2.5kΩ to
180kΩ (105°C
180kΩ (105°C
0°C
When checking thermistor on the tub,
is the thermistor loosened above 2mm
from the rubber?
Replace the thermistor
(6322FR2046C)
Push the thermistor
tightly to the rubber.
YES
NO
YES
220-240V~
PWB ASSEMBLY (MAIN)
1
2
3
RED
YELLOW
1
2
3
4
3
4
(1)
25
SPIN TROUBLE
While spinning, is the frequency of the
water level 248 or more?
Pressing QC test mode buttons at the
same time after power off, press the
START/PAUSE button 2 times, is the
drum low speed spin?
same time after power off, press the
START/PAUSE button 2 times, is the
drum low speed spin?
Is it disconnected, or disassembled?
[White : 3pin ( ), Red:3pin ( ),
Red:3pin ( ), National:4pin ( )]
[White : 3pin ( ), Red:3pin ( ),
Red:3pin ( ), National:4pin ( )]
Replace the PWB assembly.
Check the motor connector, Is the
resistance of the terminal same as the
figure?
MOTOR TERMINAL (1)
Resistance of terminal:
~ / ~ / ~ : About 5 Ω~10 Ω
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 STATOR
assembly.
YES
NO
NO
NO
YES
YES
NO
1
2
3
1
2
2
3
3
1
1
2
3
4
Is it disconnected, or disassembled?
White : 3pin( ), White:4pin( )]
White : 3pin( ), White:4pin( )]
Correct the connector.
NO
YES
1
2
YES
(1) (2)
1 2
3
4
26
9. DISASSEMBLY INSTRUCTIONS
Be sure to unplug the machine out of the outlet before disassembling and repairing the parts.
CONTROL PANEL
1
Unscrew 2 screws on the back of the top plate.
2
Pull the top plate backward and upward as shown.
1
Disconnect the PWB assembly connector from
Main lead wire assembly.
2
Pull out the drawer and unscrew 2 screws.
3
Push upper hooks down on the top and pull the
control panel.
1
Disconnect the PWB assembly (Main & Display)
from control panel by unscrewing 7 screws.
PLATE ASSEMBLY (TOP)
PANEL ASSEMBLY
(CONTROL)
Hook
27
1
Disassemble the top plate assembly.
2
Pull out the drawer to arrow direction.
3
Unscrew 2 screws.
1
The hose clamps and the hose are disassembled.
1
The ventilation bellows and the water inlet bellows
are disassembled on the tub.
DISPENSER ASSEMBLY
DISPENSER ASSEMBLY
PUSH
DRAWER
Option
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