The Main Control Board Assembly is an OEM replacement part for GE refrigerators. It functions as the central processing hub, controlling all automated operations and cycles within the unit.  Symptoms of an inadequate main board include: Appliance failure to cool or lacking temperature regulation Lights, dispensers, or ice makers not functioning  Appearance of blinking lights or error codes Causes can be normal wear over time or exposure to moisture. Heavy use may accelerate the deterioration of electronic circuitry. This GE refrigerator part is also compatible with Hotpoint, RCA, and some Kenmore models.WR55X24347 (AP5970765) replaces WR55X11061, 4547115, PS11701275, WR55X22867.