F125

Flash Update Req

Allen-Bradley · PowerFlex 520-series Adjustable Frequency AC Drive

What does F125 mean?

The firmware residing in the drive's flash memory is corrupt, mismatched, or incompatible with the current hardware configuration. This prevents the drive from initializing or operating correctly, indicating that the drive's operating system needs to be reinstalled or updated.

Additional Steps

Steps 1–2 are listed in Priority Fix.

  1. 3

    Verify stable power supply during the entire firmware update procedure to prevent further corruption.

Source: Allen-Bradley PowerFlex 520-series Adjustable Frequency AC Drive
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