I have owned a LG 22860sw refrigerator over 2 years. The error code dh came on and i found out it means defrost heater or defrost cycle. When I test the heater it does not show an open circut.Is ther a way to test the heater and the sensor with an ohm meter ,to make sure that the problem is not in the timer.I read somewhere that the timer circut is on the board and you must replace the board to fix the problem. thanks JEFFRO3004
The main Pcb as well as the defrost thermistor are in the circuit as well.
The thermister is attached to the evaporator with wire ties and connects to the roof of the freezer behind the fan assy.
I have seen the thermister connector pull out of the connector at the top of the freezer beacuse the wires were to tight. Remove some of the wire ties and reinstall the connector.
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