Warnings /Alarms 17 Control word timeout in VLT Micro Drive FC51 - means comes when no communication to frequency converter.

1. There is no communication to the drive. The warning is only active when parameter 8-04 Control Word Timeout Function is NOT set to [0] Off.

2. If parameter 8-04 Control Word Timeout Function is set to [5] Stop and trip, a warning appears, and the drive ramps down to a stop and shows an alarm.