Haier Display module or power supply issue

Microwave display is dim, flickering, or partially missing segments

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

Aging LED/VFD display, Loose display connector, Weak low-voltage supply on control board, Heat damage to display

Safety: Unplug the microwave before accessing the control panel.

Power reset: Unplug for 5 minutes and plug back in to see if the display stabilizes.
Inspect panel (advanced): Remove the control panel and check the display board connector for looseness or corrosion.
Check for heat sources: Ensure the microwave is not installed above a high-heat source without proper ventilation.
Replace display or control board: If the display remains dim or segments are missing, the display module or entire control board may need replacement.

Medium 3/5

Display Board / Main Control Board

Check Price on Amazon

We may earn a commission from links on this page.