Arctic King
LED Display Module Degradation
Display is very dim, flickering, or segments are missing, but the cooler still cools.
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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
Aging or failed display LEDs, Poor connection between display and control board, Low-voltage power supply instability on PCB
How to Fix / Troubleshooting
Safety: Unplug the cooler before accessing the control panel.
Steps:
- Check brightness settings: Some models allow dimming; ensure the display is not set to a low brightness mode.
- Inspect connections: Remove the control panel and check the connector between the display module and the main board. Reseat it firmly.
- Look for board damage: Inspect the main board for burnt components in the low-voltage section.
- Replace display module: If connections are good but the display remains dim or incomplete, replace the display/PCB assembly or the entire control panel, depending on design.
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Repair Difficulty
Medium
3/5
Required Part
Display Module / Control Panel Assembly
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