EPF

External fault

Schneider Electric · ATV32HD11N4 Variable Speed Drive

What does EPF mean?

This fault is triggered by an external condition or device connected to a logic input configured for external fault detection. This input is typically connected to a safety circuit, thermal switch, or another protective device. If the external fault condition persists, the drive will remain in a fault state, preventing operation until the external issue is cleared, ensuring machine and personnel safety.

Additional Steps

Steps 1–2 are listed in Priority Fix.

  1. 3

    Clear the external fault condition as per the external device's documentation or manual.

Source: Schneider Electric ATV32HD11N4 Variable Speed Drive
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