JennAir
Display Module or Control Board Failure
Display is dim, flickering, or partially missing segments, but microwave 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 (vacuum fluorescent display), Failing display driver on control board, Loose display connector, Power supply to display unstable
How to Fix / Troubleshooting
Safety First: Unplug the microwave before accessing the control panel.
- Check brightness settings: Some JennAir models allow dimming the display. Verify it is not set to a low brightness mode.
- Inspect connections: Remove the control panel and check the connector between the display module and control board. Reseat if loose.
- Look for damage: Examine the display for cracks or moisture damage.
- Replace control/display: If the display remains dim or segments are missing, replace the electronic control board or display module, depending on how your model is designed.
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Repair Difficulty
Medium
3/5
Required Part
Electronic Control Board
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