LG F1234RDSB / F1234RDSU Service Manual ▷ View online
21
YES
YES
NO
NO
NO
NO
YES
YES
YES
YES
A B N O R M A L S O U N D
S O F T E N E R D O E S N O T F L O W I N
Fix the bolt tightly.
Replace the STATOR
ASSEMBLY or ROTOR
ASSEMBLY.
ASSEMBLY or ROTOR
ASSEMBLY.
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 motor bolt loosened?
Is there friction noise from the motor?
Is water supplied?
Are receptacles correctly connected to the terminals
of the INLET VALVE ASSEMBLY?
of the INLET VALVE ASSEMBLY?
Is softener put in the correct compartment of the
drawer?
Is the softener cap clogged?
22
Replace the
S.PRESSURE SWITCH
ASSEMBLY
Replace the MAIN PWB
ASSEMBLY
ASSEMBLY
Repair the DRAIN
HOSE ASSEMBLY.
HOSE ASSEMBLY.
Remove foreign
material.
material.
Reconnect or repair the
connector
connector
Repair the DRAIN
PUMP ASSEMBLY.
PUMP ASSEMBLY.
Repair the MAIN PWB
ASSEMBLY.
ASSEMBLY.
When pressing Water Plus and Wash at the same
time after draining, is the water level frequency
248 ~ 262 or more?
When pressing Water Plus and Wash buttons at
the same time while wash, is the water level
frequency between 230 - 243?
time after draining, is the water level frequency
248 ~ 262 or more?
When pressing Water Plus and Wash buttons at
the same time while wash, is the water level
frequency between 230 - 243?
Checking voltage between two pins as press the
POWER button is the voltage 220-240V~?
POWER button is the voltage 220-240V~?
Is the drain hose twisted or frozen?
Is the impeller of the drain pump clogged?
Is the connector disconnected, disassembled?
Is the coil of the drain pump cut-off?
(resistance of coil is 80~150 )
When checking voltage between connectors
( , )on spinning, is the voltage 220-240V~
as the figure?
HEATING WITHOUT WATER
D R A I N M A L F U N C T I O N I N G
23
BN-BL
WH/RD
BLUE
Check if inet hose is
conneced to a hot faucet ;
otherwise, replace PWB
ASSEMBLY(Main)
conneced to a hot faucet ;
otherwise, replace PWB
ASSEMBLY(Main)
When pessing Spin and Temp. button
simultaneously during, is the displayed
temperature is over 10˚C higher than the
selected temperature?
(Refer to the 7-2 QC Test Mode)
Replace Heater Assembly
Is the resistance between Thermistor
Comectors 2.5k~180k
HEATING CONTINUOUSLY ABOVE
THE SETTING WATER TEMPERATURE
24
NO
YES
YES
YES
NO
NO
NO
YES
S P I N T R O U B L E
D R A I N T R O U B L E
Check the S.PRESSURE SWITCH
ASSEMBLY or HOSE (Pressure).
If the problem is on the
S.PRESSURE SWITCH
ASSEMBLY or the HOSE, replace
the S.PRESSURE SWITCH
ASSEMBLY or the HOSE.
ASSEMBLY or HOSE (Pressure).
If the problem is on the
S.PRESSURE SWITCH
ASSEMBLY or the HOSE, replace
the S.PRESSURE SWITCH
ASSEMBLY or the HOSE.
Normal
Correct the connector.
Replace the STATOR
ASSEMBLY
ASSEMBLY
Check on the spinning, is the frequency of the
water level 248 or more. The frequency can be
checked by pressing the Water Plus and Wash
buttons at the same time on the program.
water level 248 or more. The frequency can be
checked by pressing the Water Plus and Wash
buttons at the same time on the program.
When pressing Wash and Spin buttons at the
same time after power off, press the Start/Pause
button 1 times, is the drum low speed spin?
same time after power off, press the Start/Pause
button 1 times, is the drum low speed spin?
Is it disconnected, or disassembled?
[Red:3pin(1), GY:4pin(2)]
[Red:3pin(1), GY:4pin(2)]
Check the motor connector, is the resistance of
the terminal same as the figure?
MOTOR TERMINAL (1)
Resistance of terminal:
About 5
15
Replace the MAIN PWB ASSEMBLY
Does the spring of Latch Hook actuate?
Is there clicking sound once or twice when the
START/ PAUSE button is pressed to start the cycle?
START/ PAUSE button is pressed to start the cycle?
Is DOOR SWITCH ASSEMBLY broken?
Replace Door Assembly.
Check the DOOR SWITCH
ASSEMBLY Connector and
MAIN PWB ASSEMBLY
[Black(1), Brown/Yellow(2)].
ASSEMBLY Connector and
MAIN PWB ASSEMBLY
[Black(1), Brown/Yellow(2)].
Replace the DOOR
SWITCH ASSEMBLY.
SWITCH ASSEMBLY.
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