Logik Display / VFD / LED Module Degradation

Microwave display is dim, flickering, or partially missing segments, but unit still heats.

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.

Possible Causes

Aged VFD tube, Failing display driver on control PCB, Loose display connector, Low supply voltage to display

Safety: Unplug before accessing the control panel.

Steps:

1. Check brightness setting: Some Logik models allow dimming; ensure brightness is set to normal.
2. Reseat connectors: Remove the control panel and reseat any connectors between the display module and control PCB.
3. Inspect for damage: Look for burnt components or cracked solder joints on the display board.
4. Replace control PCB or display: If the display remains dim or segments are missing, the display or entire control PCB may need replacement.

Medium 3/5

Display / Control PCB

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