WD21X27998 GE Dishwasher Configured Machine Control Board – Main Electronic Control

The WD21X27998 is a genuine OEM GE configured machine control board designed for select dishwasher models. This is the main electronic control board that manages all dishwasher functions including cycle selection, water temperature, wash duration, and display operations.

Key Features and Design

• Genuine OEM Quality: Factory-original GE part ensures perfect fit and proper programming.
• Pre-Configured: Board comes pre-programmed for your specific dishwasher model.
• Complete Control: Manages all dishwasher functions including cycles, temperature, timing, and user interface.
• Advanced Electronics: Microprocessor-based system provides precise control and reliable operation.

Performance and Benefits

By replacing a faulty control board with this genuine GE part, you'll restore full functionality to your dishwasher and ensure reliable operation. A failing control board can cause erratic behavior, cycle failures, or complete dishwasher failure.

Common Symptoms of Failure

• Dishwasher won't turn on or start
• Control panel not responding or buttons not working
• Display showing error codes or blank
• Cycles not completing or stopping mid-cycle
• Dishwasher not filling with water or draining
• Incorrect cycle times or temperatures

Installation Guidance

The control board is typically located behind or beneath the dishwasher control panel. Installation requires removing the door panel and disconnecting/reconnecting wire harnesses. Basic tools and mechanical aptitude are required.

Part Number: WD21X27998

CRITICAL SAFETY WARNING: Disconnect power at the breaker before servicing. This is an electronic component - use ESD precautions to prevent static damage. Verify compatibility with your specific dishwasher model before ordering.

✓ Model-Specific Repair Pages