The Main PCB Assembly is an OEM part for LG refrigerators. It is the circuit board responsible for controlling and regulating all electrical components and functions inside the refrigerator. The main PCB receives input signals and distributes power accordingly to run features such as the cooling system, ice maker, lights, dispensers and more.
Causes of a bad main PCB can include liquid damage, wear and tear over time, or component failure due to overheating or power surges.
Symptoms of a bad main PCB include:
- The refrigerator not cooling or icing
- Lights not working
- Dispensers and ice makers malfunctioning
- Strange noises coming from the electrical components
- Error codes displayed
This LG part is also compatible with some Kenmore models.