ARNU4 LG Air Conditioner - Overview

This main printed circuit board (PCB) assembly serves as the central control unit for select LG air conditioners, managing all core operational functions including cooling, heating, and fan speed. It processes input from sensors and user commands, converting them into control signals that regulate the compressor, valves, and motors. Engin...Read moreeered to meet OEM specifications, this genuine replacement part ensures reliable performance and efficient operation. A malfunctioning PCB may result in startup failures, inconsistent temperature control, or error codes. Replacing the board restores full functionality and helps maintain optimal climate control. Installation should be performed with proper safety precautions and model verification.

This water pump assembly moves water through the appliance to support proper function. Engineered for dependable flow and durability, it helps maintain efficient and consistent operation.

This printed circuit board assembly serves as a core electronic component, managing signals and communication between appliance systems. It plays an essential role in consistent and reliable operation. Replacing a defective PCB can restore functionality and resolve control-related issues.