Proline
Display Module or Control Board Fault
Microwave display is dim, flickering, or partially missing segments.
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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 LED/VFD display, Failing display driver on control PCB, Poor solder joints, Low-voltage power supply instability
How to Fix / Troubleshooting
User-level checks:
- Unplug the microwave for several minutes and plug back in to see if the display resets.
- Ensure the outlet voltage is stable and not shared with heavy loads causing dips.
If the display remains dim or incomplete:
- The display module or entire control PCB will need replacement by a technician.
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Repair Difficulty
Medium
3/5
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