IF1

INTERNAL FAULT (Unknown rating)

Schneider Electric · ATV32HD11N4 Variable Speed Drive

What does IF1 mean?

An internal fault has occurred due to an unknown rating. This suggests a fundamental internal issue within the drive's control or power section, making the drive unable to determine its operational parameters correctly.

Additional Steps

Steps 1–2 are listed in Priority Fix.

  1. 3

    Contact a Schneider Electric representative for further assistance if replacement does not resolve the issue or for detailed diagnostics.

Source: Schneider Electric ATV32HD11N4 Variable Speed Drive
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