External Fault (Communication)

What does EPF2 mean?

An external interruption detected from a communication board. This indicates that a fault condition was received from an external system via a communication interface, causing the drive to trip. It implies an issue with the higher-level control system or communication link.

Additional Steps

Steps 1–2 are listed in Priority Fix.

1. 3

   Inspect the communication board for proper installation, seating, and physical damage.

2. 4

   Ensure communication parameters (e.g., baud rate, address) are correctly set on both ends of the link.