Tristar LED Display Degradation / Backlight Failure

Display is very dim or partially unreadable, but unit still functions.

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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 segments, Failing display driver on PCB, Loose display connector, Heat damage to display module

How to Fix / Troubleshooting

Safety: Unplug before opening the control panel.

  • Check viewing angle:
    • Confirm the dimness is not just due to angle or bright ambient light.
  • Inspect connections (advanced):
    • Open the control panel housing.
    • Reseat the connector between the display module and main PCB.
  • Replace display: If segments remain dim or missing, replace the display module or entire control panel assembly, depending on design.
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Repair Difficulty

Medium 3/5

Required Part

LED Display Module
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