Bomann
No Display / Dead Control Panel
Microwave display is blank or very dim; unit does not respond, but mains power is present.
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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
Blown internal line fuse, Faulty power supply section on control PCB, Loose display connector, Failed display module
How to Fix / Troubleshooting
Safety: Unplug the microwave before opening the cabinet.
- Step 1 – Check outlet: Confirm the outlet has power by plugging in another appliance.
- Step 2 – Internal fuse: Remove the cabinet and locate the internal line fuse. Test for continuity and replace only with the same rating if blown. Investigate why it blew.
- Step 3 – Inspect control board: Look for burnt components or bulging capacitors on the control PCB. Reseat any connectors to the display module.
- Step 4 – Replace control PCB or display: If the power supply section is faulty or the display module is dead, replace the appropriate part using a Bomann-compatible assembly.
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Repair Difficulty
Hard
4/5
Required Part
Main Control PCB
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