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Part Number ACM74519106 replaces AP6232223.
The Controller Assembly, Sub is an OEM replacement part for LG microwaves. It works behind the scenes to precisely coordinate all cooking operations through integrated circuits and firmware. Located internally, the sub controller receives instructions from the main control panel and regulates power levels, time settings and safety features.
Symptoms of a bad sub controller assembly include:
Causes of failure can stem from damage due to power surges over the lifespan. Repeated heating cycles also take a toll on electronic pathways.
This OEM LG part is compatible with select Kenmore microwaves as well.
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Lg ACM74519106 Controller Assembly,Sub OEM Part