Er
Gorenje
Generic Control System Error
Display shows a generic Er or error message without a specific number; unit may not respond to controls.
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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
Firmware glitch in control PCB, Corrupted EEPROM or memory, Voltage surge or brownout, Loose connectors on control board
How to Fix / Troubleshooting
Safety: Disconnect power before touching internal components.
- Power cycle: Unplug the wine cooler for at least 10 minutes to allow capacitors to discharge, then reconnect.
- Check supply voltage: Ensure the outlet provides stable voltage within the range specified on the rating plate. Avoid using undersized extension cords.
- Inspect PCB connections: Remove the control board cover and reseat all connectors, ensuring correct orientation and firm fit.
- Look for damage: If you see burnt components or corrosion on the PCB, replacement is recommended.
- Replace control board: If the Er message persists and all sensors and wiring are good, install a new Gorenje-compatible control PCB.
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Repair Difficulty
Hard
4/5
Required Part
Main Control PCB
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