Antarctic Star
Display Power or PCB Failure
Display is completely blank but the interior light may still work.
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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
Loose display power connector, Failed display PCB, Faulty low-voltage power supply on main board, Broken wiring harness
How to Fix / Troubleshooting
Safety: Unplug the unit before accessing electronics.
- Check power: Confirm the cooler is receiving power and the interior light works when the door opens.
- Inspect display connections: Remove the control panel and verify the display board connector is firmly attached.
- Check main board output: At the main control PCB, ensure the low-voltage output to the display is present (requires a multimeter and electrical knowledge).
- Replace display board: If the main board supplies correct voltage but the display remains blank, replace the display PCB.
- Replace main board: If no low-voltage output is present, replace the main control PCB.
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Repair Difficulty
Hard
4/5
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