SMAD
Display Board Malfunction
Display works but shows incorrect indicators (e.g., wrong mode, random segments lit).
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Possible Causes
Faulty LED/LCD display board, poor connection to main PCB, electrical noise or surge damage
How to Fix / Troubleshooting
Safety: Unplug the unit before accessing the control panel.
Steps:
- Reset: Unplug for 5–10 minutes and reconnect to clear any temporary logic errors.
- Check connections: Remove the control panel and reseat the ribbon cable between the display and main board.
- Inspect board: Look for corrosion or burn marks on the display board.
- Replace display board: If issues persist, install a new display / UI board compatible with your SMAD model.
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Repair Difficulty
Easy
2/5
Required Part
Display / UI Board
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