Bauknecht
Display Module or Control Board Backlight Failure
Microwave display is dim, flickering, or some segments are missing, but unit still heats.
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Safety Warning
This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.
If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.
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Possible Causes
Aging VFD or LED display, Failing display driver on control board, Poor solder joints on display pins, Low-voltage supply instability
How to Fix / Troubleshooting
Safety first: Unplug the microwave before removing the control panel.
- Step 1 – Power reset: Unplug for 5 minutes and reconnect to rule out a temporary glitch.
- Step 2 – Inspect display board: Remove the control panel and check the display module and its connector for looseness or corrosion.
- Step 3 – Reflow/repair (technician): A professional may re-solder cracked joints or replace the display module or entire control board if the display is failing.
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Repair Difficulty
Hard
4/5
Required Part
Display Module / Control Board
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