AEG
Display Backlight or UI Power Fault
Display is blank, but the interior light and cooling still work.
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Possible Causes
Failed display PCB, loose connector to UI, burnt backlight LEDs, faulty low-voltage supply to UI.
How to Fix / Troubleshooting
Safety: Disconnect mains power before removing the control panel.
Steps:
- 1. Check brightness setting: Some models allow dimming. Ensure it is not set to minimum (consult the user manual).
- 2. Access UI panel: Remove the front control panel and inspect the display PCB and connectors.
- 3. Reseat connectors: Unplug and reconnect the UI harness to ensure good contact.
- 4. Replace display PCB: If the display remains blank, install a new AEG display/UI board.
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Repair Difficulty
Easy
2/5
Required Part
Display / User Interface PCB
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