SPT
Display Backlight / UI Power Issue
Display is blank or very dim, but unit still runs.
Advertisements
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.
Advertisements
Possible Causes
Failed display PCB, Loose display connector, Low voltage from control board to display, Damaged LEDs or LCD
How to Fix / Troubleshooting
Safety first: Unplug the unit before removing the control panel.
- Check contrast/brightness: Some models have a small adjustment; refer to the manual if available.
- Inspect connectors: Reseat the display board connector on both the display and main board.
- Look for damage: Examine the display PCB for burnt components or cracked solder joints.
- Replace display board: If the display remains blank but the unit operates, replace the display/control panel assembly.
Advertisements
Repair Difficulty
Medium
3/5
Advertisements