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

This is the main PCB control board that manages the appliance's electronic functions and user interface, restoring control when the original board has failed. Replaces a damaged or unresponsive main control module to return normal operation. What it does:

• Receives input from buttons/sensors and directs power to motors, valves, heaters, and displays
• Helps regulate cycle selection, timing, and safety interlocks
• Common symptom: appliance is unresponsive or won't start
• Common symptom: erratic behavior, incorrect cycles, or display errors
• Common symptom: intermittent power or control lockups

• One main PCB assembly

• Disconnect power and water before starting any repair
• Handle board by edges and avoid static discharge; use ESD protection if available
• Verify all connectors are fully seated and routed the same as original before powering up