LG F1480RDS25 / F1480RDS29 Service Manual ▷ View online
25
Power off for 10sec. Then power on.
Is the water level over reference line and is the water level frequency 21.8khz?
* Water level frequency
* Press the
Favorite
and
Option (Left)
button
simultaneously.
If FE is displayed again,
then replace the
Pressure Switch
.
If FE is displayed again,
then replace the
Main PCB
.
Drain out the water and then
Check the
Air Chamber
and the
Tube
(clogged).
NO
NO
YES
YES
Over Flow Error (FE)
Is the water coming in
drawer continuously?
Replace the
Main PCB.
Replace the
Inlet Valve
assembly.
26
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]
21~23Ω)
NO
NO
YES
Pressure Sensor S/W Error (PE)
27
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 fully.
YES
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
NO
NO
Scratch by Latch Hook
Touching
or
This problem can be repaired very easily.
Just assemble the gasket (door seal).
Has the Gasket fell out??
Is the
Connector
connected correctly to
the
Main PCB
and the
Door Switch
?
Is the
Harness
alright ?
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.
1
1
1
28
YES
Is the resistance of the
Thermistor
out of range 44 ~
53 KΩ at 25°C? (Page 17)
Replace the
Main PCB
.
Is the
Connector
connected correctly to
the
Main PCB
and the
Thermistor
and the
Heater
?
Is the
Harness
alright ?
Reconnect or repair the
Connector
.
Or replace the
Harness
.
Replace the
Thermistor
.
YES
Replace the
Heater
.
YES
NO
Is the resistance of the
Heater
out of range 24.5 ~
28.5Ω (for Washing) or 42.5 ~ 49.5Ω (for Steam) ?
(Page 19)
(Page 19)
[Note] Thermistor Spec
NO
NO
Thermistor (Heating) Error (tE)
S
P
E
C
Temp
30 °C
40 °C
60 °C
70 °C
95 °C
105 °C
Resistance (kΩ)
MIN
36.35
39.45
42.72
24.20
26.05
27.97
11.43
12.12
12.82
8.088
8.514
8.940
3.544
3.791
4.045
2.617
2.816
3.023
STD
MAX
Heater for Washing
Heater for Steam
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