E20
Kospel
Non-Volatile Memory Error
Heater shows E20; may be associated with internal memory or EEPROM issues.
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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 PCB, Failed memory IC, Power interruption during parameter write, Firmware bug
How to Fix / Troubleshooting
Safety: Turn off power before removing covers.
- 1. Power cycle: Disconnect power for several minutes and restore. Sometimes transient memory errors clear on reboot.
- 2. Factory reset: If accessible, perform a factory reset of settings via the control panel.
- 3. Board replacement: Persistent E20 usually indicates a defective memory IC on the main PCB. Replace the main control board with a genuine Kospel part.
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Repair Difficulty
Hard
4/5
Required Part
Main Control Board
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