IPOS control word

What does 77 mean?

Stop with inhibit due to a system malfunction related to the IPOS control word. This suggests an issue with the internal IPOS program execution or its interaction with the inverter's control, potentially leading to incorrect or halted program logic.

• Invalid or unexpected value detected in the IPOS control word.
• Programmatic error in the IPOS application logic.
• Commanded state conflicts with current drive status.
• Incorrect bit manipulation in the control word registers.

Click steps to track your progress.

1. 1

   Check the IPOS program for logical errors or unexpected conditions.

2. 2

   Contact SEW Service for advice if this fault persists, as it may require deeper diagnostics into the IPOS environment.