Refrigerator Defrost Thermostat for LG, AP5974100, 6615JB2002R, ACM73079207

Refrigerator Main Control Board | Replaces LG® ACM73079207

Brand new refrigerator defrost thermostat / controller assembly replacing LG part number ACM73079207. This main electronic control board manages all refrigerator operations, including cycle timing, user‑input processing, and communication between sensors, fans, and motors.

A failing controller assembly can cause unresponsive controls, incorrect cycle behavior, intermittent errors, or a refrigerator that will not start. Replacing the board restores proper system coordination and reliable appliance performance.

⚙️ What This Control Board Does

• Manages cycle selection, timing, and communication between sensors and motors
• Interprets user inputs from the front panel
• Sends commands to fans, defrost components, and cooling systems
• Coordinates overall appliance operation

⚠️ Symptoms This Part Fixes

• Unresponsive or dead control panel
• Unexpected error codes
• Incorrect or stalled cycles
• Refrigerator won’t start or behaves intermittently

What’s Included

• One (1) controller assembly
• OEM‑style connectors and board layout

️ Installation Notes

• Disconnect power before servicing to avoid shock or damage
• Handle the board by its edges to avoid static discharge
• Transfer any brackets, grounding straps, or housings from the old board
• Match the exact part number for proper compatibility

Replaces Part Numbers

ACM73079207, AP5974100, 6615JB2002R

Restore proper cooling performance and responsive controls with this OEM‑compatible LG controller assembly — reliable, precise, and ready for installation.