LG F84923WHS / F84933WHS Service Manual ▷ View online
28
Is the
Connector
connected correctly to
the
Main PCB
and the
Pump Motor
?
Or is the
Harness
alright ?
Is the
Standpipe Height
greater
than 1.0 m above the floor?
When there is no water in the
pump casing, is the water level
frequency over 26.0khz ?
pump casing, is the water level
frequency over 26.0khz ?
Observe
Standpipe Height
requirements
of
1.0
m
maximum.
- Your washer will not be able to drain out
water adequately, if the standpipe exceeds 1.0 m.
In this case, water may flow back into the washer.
In this case, water may flow back into the washer.
Check the
Air Chamber
and the
Tube
(clogged).
Check the water level frequency again, if it is over
25.5KHz, replace the
25.5KHz, replace the
If it is clogged, Pressure
switch.
YES
NO
Reconnect or repair the
Connector
.
Or replace the
Harness
.
NO
Replace the
Main PCB
.
NO
Replace the
Pump Motor
.
Is the resistance of the Pump Motor out
of range 152~175Ω?
Or is the Impeller operating normally?
of range 152~175Ω?
Or is the Impeller operating normally?
Does the Pump motor start, when the spin mode
starts?
starts?
Clean the drain hose.
If the drain hose blocked?
Escape
Binding
NO
NO
YES
YES
YES
OR
YES
YES
29
Power off for 10sec. Then power on.
Is the water level over reference line and is the water level frequency under 21.3kHz?
Is the water level over reference line and is the water level frequency under 21.3kHz?
* Water level frequency
- Touch and Hold '
Pre Wash
' & '
Temp.
'
simultaneously.
Overflow Error (FE)
If FE is displayed again,
then replace the
then replace the
Pressure Switch
.
If FE is displayed again,
then replace the
then replace the
Main PCB
.
Drain out the water and then
check the
check the
Air Chamber
and the
Tube
(clogged).
NO
NO
YES
YES
Is water continuously
coming into the drawer?
coming into the drawer?
Replace the
Main PCB.
Replace the
Inlet Valve
assembly.
30
Is the air chamber and the tube clogged?
Replace the
Main PCB
.
Is the
Connector
connected correctly to
the
Main PCB
and the
Pressure Switch
?
Is the
Harness
alright ?
Reconnect or repair the
Connector
.
Or replace the
Harness
.
Check air chamber and remove foreign material.
Replace the
Pressure Switch
.
YES
YES
NO
Is the resistance of the
Pressure Switch
out of range?
[Pin1 ~ Pin3]
21~23
Ω)
NO
NO
YES
Pressure Sensor S/W Error (PE)
31
NO
Is the door closed?
Is the Door assembly in line with door switch ?
Lift up & Close the door.
If the dE is displayed, Replace the
If the dE is displayed, Replace the
Door Bracket
.
Close the door fully.
YES
Reconnect or repair the
Connector
.
Or replace the
Harness
.
NO
Replace the
Spring
NO
Replace the
Door switch
.
NO
Does the
Spring
of
Latch Hook
actuate?
Door Open Error (dE)
YES
YES
YES
YES
NO
Scratch by Latch Hook
Touching
or
Is the
Connector
connected correctly to
the
Main PCB
and the
Door Switch
?
Is the
Harness
alright ?
Is there clicking sound once or twice when the
START/PAUSE button is pressed to start the
cycle? No Replace the MAIN PWB ASSEMBLY.
START/PAUSE button is pressed to start the
cycle? No Replace the MAIN PWB ASSEMBLY.
Does the
Door Switch
operate as follows?
* Door Locking time :
1~8
sec.
Check the time between from
input the power to parts
move up, then Door locked.
input the power to parts
move up, then Door locked.
* Door Releasing time :
25~100
sec.
Check the time between from off the
power to parts
move down, then Door released.
power to parts
move down, then Door released.
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1
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