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AEG 6728-042.270397
Product Name: Electronic Control Board (Display/Interface PCB)
Model Series: 6728 Series — Display & User Interface Module
Applicable Products: AEG Washing Machines, Dryers, Dishwashers
Product Description:
The AEG 6728-042.270397 is a display and user interface control board that handles the front panel operation, LED/LCD display, button input processing, and communication with the main control board via serial bus (typically I²C or UART protocol). It is the user-facing electronic module mounted behind the control panel.
Detailed content
Technical Specifications:
- Part Number: 6728-042.270397
- Display Type: LED segment display or LCD (depending on machine variant)
- Input Interface: Membrane keypad / capacitive touch buttons
- Communication Protocol: I²C / UART serial bus
- Input Voltage: 5V DC (from main control board) + 12V DC (for display backlight)
- Operating Temperature: 0°C to +55°C
- IP Rating: IPX4 (splash-proof from front panel side)
Functional Features:
- Displays cycle time remaining, temperature, spin speed, error codes
- Processes user button presses (start/pause, program selection, temp adjustment)
- Drives indicator LEDs and buzzer
- Sends status feedback to main control board
Materials:
- PCB: FR-4, double-sided, SMD components
- Front overlay: Polycarbonate membrane with silicone rubber buttons
- Connector: Ribbon cable + locking harness
Installation Notes:
- Align front panel cutout precisely — tolerances ±1mm
- Ribbon cable must not be pinched during panel assembly
- Perform full function test after installation before sealing the cabinet
