EEPROM checksum fault

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This fault indicates a parameter save error, suggesting a faulty operation or a component failure within the EEPROM memory. This may lead to corrupted or lost drive configuration settings.

• Corruption of data stored in the EEPROM parameter memory.
• Failure of the EEPROM memory chip itself.
• Interruption during parameter writing or saving process.
• Electromagnetic interference corrupting EEPROM data.
• Aging or wear of the EEPROM memory.

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1. 1

   Perform a full parameter reset to factory defaults (e.g., set P1-01 to 2).

2. 2

   After reset, re-enter critical parameters manually and save.

3. 3

   If the fault persists, attempt to read EEPROM content if a diagnostic tool allows.

4. 4

   Ensure stable power supply during parameter modification and saving.

5. 5

   Replace the device if the fault consistently reappears after parameter reset and re-entry.