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

This power control board assembly regulates power to the appliance's control and motor circuits so the unit runs reliably and responds to user inputs. Replaces a failed sub power board to restore normal electrical control. What it does:

• Routes and distributes power to control circuits and related components
• Works with the main control to manage motor, heater, and user-interface functions
• Can cause no-power, intermittent operation, or control/display errors when faulty
• Helps stop erratic starts, unexpected shutdowns, or failure to respond to controls

What's included:

• One power control board assembly (as shown)

Install notes:

• Always disconnect the appliance from power before starting service
• Handle the board by its edges and avoid static discharge; use ESD protection if available
• Verify connector orientation and seating; replace only if this exact assembly is required
• If symptoms persist after replacement, test related components and wiring harnesses