LG F1280ND5 / F1280NDP25 Service Manual ▷ View online
26
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 not water in the
pump casing, is the water level
frequency over 26.2KHz ?
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.
Check the
Air Chamber
and the
Tube
(clogged).
And When you check the water level frequency
again, if it is over 25.5KHz, you replace the
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 152 ~ 175Ω?
Or is the Impeller operating normally?
Or is the Impeller operating normally?
Is Pump motor started, when the spin mode is
started ?
Escape
Binding
NO
NO
YES
YES
OR
YES
27
Is the water coming in
drawer
drawer
continuously?
Replace the
Main PCB
.
After power off for 10 sec. and power on.
Does the water level over reference line
Does the water level over reference line
and Is
not
the water level frequency 26.2Khz ?
Or does
not
the water level over reference line
and is the water level frequency 26.2Khz ?
* Water level frequency
- Press and Hold '
Temp.
' & '
Medic Rinse
'
simultaneously.
Replace the
Inlet Valve
assembly.
YES
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
.
Check the
Air Chamber
and the
Tube
(clogged).
NO
NO
YES
Over Flow Error (FE)
28
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
?
Or is the
Harness
alright ?
Reconnect or repair the
Connector
.
Or replace the
Harness
.
Check air chamber and remove the foreign material.
Replace the
Pressure Switch
.
YES
YES
NO
Is the resistance of the
Pressure Switch
out of range?
[Pin1 ~ Pin3]
21~23Ω)
NO
NO
YES
Pressure Sensor S/W Error (PE)
29
1
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
Door Bracket
.
Close the door totally.
YES
Reconnect or repair the
Connector
.
Or replace the
Harness
.
NO
Replace the
MAIN PWB
ASSEMBLY.
NO
Replace the
Latch Hook
.
NO
Replace the
Door switch
.
NO
Does the
Spring
of
Latch Hook
actuate?
Door Open Error (dE)
YES
YES
YES
NO
Touching
or
Is the
Connector
connected correctly to
the
Main PCB
and the
Door Switch
?
Or is the
Harness
alright ?
YES
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.
Scratch by Latch Hook
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.
off the power to parts
move down, then Door released.
1
1
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