Customer Questions and Answers for Main Control Board (Pcb Assembly) by Lg

This is the main electronic control board for the appliance. It manages and coordinates power to key components, helping the unit run correctly and respond to user settings.

• Regulates and distributes power to compressors, fans, valves, and other loads
• Interprets sensor and user input to control cooling and defrost cycles
• A failed board can cause no power, no cooling, unresponsive controls, or intermittent operation
• Resolve issues like lights/fans not running or error codes related to control faults

• Disconnect power before servicing; capacitor discharge may be required
• Handle the board by edges and avoid touching components to prevent ESD damage
• Photograph/wire-note all connections before removal; move connectors over one by one
• Mount securely and verify all harnesses are fully seated before restoring power