LG LFXS30726 series - GlideNAccess (On Some Models); Door-in-Door (On Some Models)

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TEST MODE 3 Voltage [V]
CON3
6
th
pin ~ 9
th
pin
112V ~ 116V
TEST MODE 1 Voltage [V]
CON3
6
th
pin ~ 9
th
pin
0V
Defrost Heater Error (r dH)
1
Replace the
Door gasket
Check the Door gasket .
Is door gasket damaged?
Yes
No
6
Check the Heater Voltage.
Is voltage 112~116V?
Yes
Input Test 3 Mode
(Push the button 3 times)
1. Check the
input Voltage
2. Replace
Main PCB
No
7
Check the Heater Voltage.
Is voltage 0V?
Yes
Input Test 1 Mode
(Push the button 1 times)
Replace
Main PCB
No
2
Reconnect
Is the Connector Properly
connected?
No
Yes
3 Is the resistance value of
Fuse-M
less than 0.2Ω?
No
Yes
Change
Fuse-M
4
Is the resistance value of
Heater
as follow?
No
Yes
Replace
Heater
Measurement PointResistance [Ω]
(1) 76~89
Fuse -M
Heater
Heater
5
Is the resistance value of defrost
sensor as
follow?
Resistance is influenced by
temperature.
Yes
Replace
Defrost
Sensor
No
8
Explain to customer
CON7
19
th
pin ~ 20
th
pin
Resistance [Ω]
23ºF / -5ºC 38k
32ºF / 0ºC30k
41ºF / 5ºC24k
50ºF / 10ºC 19.5k
59ºF / 15ºC16k
Sensor