LG LSFD2491 Series Service Manual page 41

8-6. Defrost Heater Error (F dH)
Symptom
1. F dH
CON7 CON7
CN1 CN1
CON6 CON6
CON3
CON2
CON3
CON2
CON5 CON5
1. Check the door gasket
2. Check the Def rost control part
3. Check the PCB output voltage
4. Check Defrost Heater
CON201 CON201
CON1 CON1
- 41 -
Check Point
CON3
Part
FUSE-M
Def rost Heater
Def rost Sensor
TEST MODE 3
CON3
6 th pin ~ 10 th pin
TEST MODE 1
CON3
6 th pin ~ 10 th pin
Resistance [Ω]
0
42~50
22k↑
Voltage [V]
112V ~ 116V
Voltage [V]
0V