LG LFXS32726 Series - Filter Replacement Guide

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CON3
SymptomCheck Point
1. r dH 1. Check the door gasket
2. Check the defrost control parts
3. Check the PCB output voltage
4. Check defrost heater
Defrost Control Parts
CON3
Defrost
Heater
Fuse-M
Defrost
Sensor
Part Resistance [Ω]
Fuse-M 0.2 ↓
DefrostHeater75 ~ 90
DefrostSensor 22k↑
TEST MODE 3Voltage [V]
CON3
3
rd
-9
th
pin
110 ~ 120
TEST MODE 1Voltage [V]
CON3
3
rd
-9
th
pin
0V
8-7. Defrost Heater Error (r dH)