EEPROM checksum

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Immediate switch-off with inhibit due to a defective EEPROM. This is an internal hardware fault within the unit, indicating corrupted or unreadable configuration data storage. The inverter cannot operate reliably without valid EEPROM data.

• EEPROM memory content has an invalid checksum.
• Data corruption in non-volatile memory.
• Failed attempt to read configuration data from EEPROM.
• EEPROM hardware failure.
• Incorrect firmware flashed, leading to checksum mismatch.

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   Contact SEW Service immediately, as this fault typically requires specialized tools or replacement of the affected internal component.