Refrigerator Motherboard Main Control Board EBR31177503 1 piece Key benefits Restores full control of refrigerator functions by replacing a faulty main control board. Builtin fault diagnosis detects system abnormalities and can trigger protective measures such as automatic poweroff to prevent further damage. Integrates multiple circuits including power circuits, control circuits, and sensor interface circuits for coordinated operation. Manages temperature control, compressor start and stop, and fan operation to maintain proper refrigerator performance. Product details Type: Refrigerator Parts Model number: EBR31177503 Quantity: 1 piece Function: Main control unit that coordinates refrigeration tasks and interfaces with sensors and actuators. Construction: Multicircuit printed circuit board design including power, control, and sensor interface sections. Performance features: Fault detection and automatic poweroff protection for safer operation and simplified troubleshooting. Compatibility and use Intended as a replacement motherboard for refrigerators using model EBR31177503. Designed to perform the core control functions required by the appliance, ensuring compatibility with existing system signals and sensors. Typical applications and replacement: Swap in this motherboard to restore a refrigerator that exhibits control failures, frequent cycling, or unresponsive controls. Diagnostics and servicing: Use during professional service to isolate faults and verify sensor and actuator operation using the board s builtin diagnostic functions. Refurbishing and refurbishment workshops: aging or damaged control boards when refurbishing used refrigeration units. Installation note Installation should be performed by a qualified technician to ensure correct wiring, secure mounting, and proper system testing after replacement.