Viking
Display Module or Control Board Failure
Microwave display is dim, flickering, or partially missing segments, but the unit still operates.
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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, Loose display connector, Power supply issue on PCB
How to Fix / Troubleshooting
Safety: Unplug the microwave before accessing the control panel.
- Power reset: Disconnect power for 10 minutes, then restore and observe the display.
- Inspect connections: Remove the control panel and check the connector between the display module and the main control board. Reseat firmly.
- Check for heat damage: Look for discoloration or heat damage around the display driver components on the Viking control board.
- Replace display/control board: If the display remains dim or segments are missing, replace the display module or the entire main control board, depending on how your model is designed.
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Repair Difficulty
Medium
3/5
Required Part
Display Board / Main Control Board
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