LG LFX28968D - Defrost Heater Error Troubleshooting; Defrost Heater Error Diagnosis

Symptom Check Point
1. F dH 1. Check the door gasket
2. Check the Defrost control part
3. Check the PCB output voltage
Part Resistance [Ω]
FUSE-M 0
Defrost Heater 34~42
Defrost Sensor 22k↑
8-6. Defrost Heater Error (F dH)
TEST MODE 3 Voltage [V]
CON3
2
nd
pin ~ 9
th
pin
112V ~ 116V
TEST MODE 1 Voltage [V]
CON3
2
nd
pin ~ 9
th
pin
0V
CON1
CON201
CON4
CON5
CON6
CON7
CON2 CON3