Er
Kismile
General Control System Error
Display shows Er or flashing dashes; unit may not cool or respond properly.
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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
Corrupted control board firmware, Power surge damage to main PCB, Multiple sensor faults simultaneously, Loose main power harness connection
How to Fix / Troubleshooting
Safety: Unplug the wine cooler before inspecting internal electronics.
- Power cycle: Disconnect power for at least 10 minutes to allow capacitors to discharge, then plug back in.
- Check power connections: Remove the rear access panel and verify that the main power harness is firmly connected to the control board and that there are no burnt connectors.
- Inspect board: Look for obvious damage such as burnt components, cracked solder joints, or bulging capacitors on the main control board.
- Surge protection: If the error followed a storm or outage, consider using a surge protector after repair.
- Replace control board: If Er persists and no specific sensor code is shown, replace the main control board with an OEM Kismile main PCB.
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Repair Difficulty
Hard
4/5
Required Part
Main Control Board
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