LG LFX28968D Service Manual page 34

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