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ErrorLib — Industrial Fault Code Library

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30007

Error accessing non-volatile memory (_ecNON_VOL_MEMORY_FAILURE)

ABB · ACS850 Standard Program Firmware

What does 30007 mean?

The drive is unable to access its non-volatile memory, where critical parameters and configurations are stored. This suggests a hardware fault within the memory system. Without access to this memory, the drive cannot retain settings or operate correctly.

Common Causes

  • Hardware failure of the non-volatile memory chip (e.g., EEPROM, Flash) on the drive's control board.
  • Corrupted data in the non-volatile memory due to power loss during a write operation or external interference.
  • Electrostatic discharge (ESD) event damaging the memory chip or its control interface.
  • Firmware bug attempting to access an invalid memory address or performing an illegal write operation.
  • Aging of the memory chip leading to bit rot or wear-out failures.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    1. Perform a power cycle of the drive, ensuring a full discharge period before re-energizing.

  2. 2

    2. Attempt to reload the drive's parameter file (.ptx) from a known good backup using the configuration software.

  3. 3

    3. Try to perform a factory reset of the drive (if supported) to overwrite potentially corrupted memory contents.

  4. 4

    4. Check for any diagnostic LEDs on the drive that indicate control board or memory errors.

  5. 5

    5. Document the fault code and contact manufacturer support, as this often indicates an internal hardware failure requiring repair or replacement.

Browse all codes in this manual (57)
Verified technical data. Last updated: April 2026

Related Faults

-Initialization error (Memory Unit / Recovery Mode)10019Motor temperature trip10020Phase search failure
Source: ABB ACS850 Standard Program Firmware
View Official PDFSearch more codes in this manual