Bertazzoni
Display Backlight Degradation
Microwave display is very dim or unevenly lit, but functions still work.
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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
Aged LED or VFD display, Weak display power supply, Heat damage behind control panel
How to Fix / Troubleshooting
Safety first: Unplug the microwave before accessing the control panel.
- Step 1 – Check brightness settings: Some models allow adjusting display brightness; verify in the user menu.
- Step 2 – Inspect for heat sources: Ensure the control panel is not exposed to excessive heat from nearby cooktops.
- Step 3 – Replace display/UI board: If the display remains dim, replace the display or UI board assembly.
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Repair Difficulty
Medium
3/5
Required Part
Display / User Interface Board
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