Bush Display Backlight / Power Supply Degradation

Microwave display is very dim or flickering, but 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 display backlight (LED or VFD), Failing low-voltage capacitors on PCB, Loose display connector

How to Fix / Troubleshooting

Safety: Unplug before accessing the control panel.

  • Check connector: Reseat the connector between the display module and the main PCB.
  • Inspect PCB: Look for bulging electrolytic capacitors in the low-voltage section. Replace the control PCB if necessary.
  • Replace display module: If the backlight itself is failing, replace the display module compatible with your Bush model.
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Repair Difficulty

Hard 4/5

Required Part

Display Module
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