E18
Etna
Mode Control / EEPROM Fault
Display shows E18 and the refrigerator may not enter or exit holiday/eco modes correctly.
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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 EEPROM on main control PCB, Faulty mode selection logic, Power surge damage to control memory, Defective main control PCB
How to Fix / Troubleshooting
Safety first: Disconnect power before accessing the control board.
Steps:
- Power reset: Unplug the refrigerator for at least 10 minutes to allow capacitors to discharge and the control to fully reset. Plug back in and check if E18 clears.
- Factory reset (if available): Consult the user manual for a key combination to reset settings to factory defaults. Perform this reset and observe behavior.
- Check for surge damage: Inspect the main control PCB for burn marks or damaged components, especially near the low-voltage regulator and memory IC.
- Use surge protection: If E18 occurred after a storm or power event, consider using a surge-protected outlet to prevent recurrence.
- Replace main control PCB: If resets do not clear the error and the board shows signs of failure, replace the Etna main control PCB.
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Repair Difficulty
Hard
4/5
Required Part
Main Control PCB
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