This compatible LG Air Conditioner Sub PCB (Printed Circuit Board) is designed as a direct replacement for select LG A/C systems, ensuring enhanced system performance and efficient operation. Specifically engineered for LG model ARNU28GTPA2, this replacement matches part number EBR57705304 and functions as a critical component in managing auxiliary operations and supporting the main control board.
The Sub PCB assists in overseeing essential air conditioning functions, including temperature regulation, fan speed control, and system diagnostics. It helps maintain optimal performance and ensures seamless communication between various internal components. If your air conditioner is experiencing irregular cooling, error codes, or unresponsive controls, replacing the faulty or damaged sub PCB can restore smooth and reliable operation.
Constructed with high-quality, heat-resistant materials, this LG-compatible Sub PCB offers long-lasting durability, precise fitment, and improved energy efficiency.
Key Features:
✔ Compatible with LG Air Conditioners – Designed for ARNU28GTPA2 and other models using part number EBR57705304
✔ Optimizes System Performance – Works in tandem with the main PCB to manage temperature, fan speed, and system diagnostics
✔ Resolves Common A/C Issues – Fixes problems like cooling inconsistencies, system errors, and control malfunctions
✔ Durable & High-Quality Construction – Built with heat-resistant, premium-grade components for long-term reliability
✔ Improves Energy Efficiency – Supports optimized performance, leading to reduced energy consumption
✔ Easy Installation – Designed for precise fitment and quick replacement
Ensure compatibility with your LG air conditioning system before purchasing to guarantee a perfect fit.