F5
Lanbopro
Control Panel / Display Communication Fault
Display shows F5 and the unit may not respond to temperature changes or may lock up.
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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-to-main-board harness, Damaged display PCB, Moisture damage to control panel, Main control board communication failure
How to Fix / Troubleshooting
Safety first: Disconnect power before removing the control panel.
- Power reset: Unplug the cooler for 10 minutes, then reconnect to see if F5 clears.
- Inspect harness: Remove the front control panel and check the ribbon cable or harness between the display board and main control board. Reseat both ends.
- Check for moisture: Look for condensation or spills inside the control area. Dry thoroughly and allow time for evaporation.
- Replace display board: If the display is unresponsive or segments are missing, replace the display/control panel board.
- Replace main board if needed: If a new display does not fix F5, replace the main control board.
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Repair Difficulty
Medium
3/5
Required Part
Display Control Board
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