InFE

CPU Detected Fault

Schneider Electric · Altivar Machine ATV320 Variable Speed Drive

What does InFE mean?

A CPU detected fault, indicating an internal error related to RAM, Flash memory, or task execution within the drive's central processing unit. This is a critical internal fault that will prevent the drive from functioning at all and requires immediate attention.

Additional Steps

Steps 1–2 are listed in Priority Fix.

  1. 3

    Ensure the drive's operating environment is free from excessive electrical noise or extreme temperatures.

Source: Schneider Electric Altivar Machine ATV320 Variable Speed Drive
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