BUS Option Com Err
Option Communication Error
Yaskawa · F7 Drive
What does BUS Option Com Err mean?
After initial communication was established, the connection to the option board was lost. This indicates a broken connection or that the master controller stopped communicating, preventing data exchange.
Complete Troubleshooting Guide
- 1
Check all physical connections to the option board, ensuring they are secure.
- 2
Verify all user-side software configurations related to communication for correctness.