Opt External Flt

What does EF0 mean?

An external fault condition exists, originating from the communication option card. This suggests an issue with an external device or signal connected via the option card, potentially leading to incorrect drive operation. This can also appear as a flashing alarm.

Complete Troubleshooting Guide

1. 1

   Check for an external condition.

2. 2

   Verify the parameters related to external faults.

3. 3

   Verify the communication signal.