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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