Haier Display Module Degradation

Oven display is dim, flickering, or segments are missing, but oven still heats.

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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 UI board, Poor solder joints on display module, Low voltage from control board to display

How to Fix / Troubleshooting

Safety first: Turn off power at the breaker before removing the control panel.

Step-by-step checks:

  • Inspect display board: Remove the control panel and examine the display PCB for cracked solder joints, especially at the display pins.
  • Reseat connectors: Reseat any connectors between the main board and display board.
  • Check for heat damage: Look for discoloration or burnt components near the display driver IC.

When to replace parts: If reflowing solder is not feasible or does not help, replace the display / user interface board. If integrated, replace the entire control panel assembly.

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Repair Difficulty

Medium 3/5

Required Part

Display / User Interface Board
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