E20
Ilve
Program Memory / EEPROM Error
Dishwasher shows E20; unit may be unresponsive or stuck in one phase of the cycle.
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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 firmware in control board, Power surge damage, Faulty EEPROM chip, Manufacturing defect
How to Fix / Troubleshooting
Safety first: Disconnect power before accessing electronics.
- Hard reset: Turn off the circuit breaker or unplug the dishwasher for at least 10 minutes. Restore power and attempt to start a different program.
- Check supply quality: Ensure the dishwasher is on a stable circuit without frequent outages or surges. Consider using a surge protector.
- Control board replacement: If E20 persists, the main control board firmware is likely corrupted. Replace the board with a new, pre-programmed Ilve module.
- Professional service: Some models may allow firmware re-flash via service tools, which must be done by an authorized Ilve technician.
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Repair Difficulty
Professional Required
5/5
Required Part
Main Control Board
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