Cause : Control word watchdog has timed out comes when the Watchdog trip indicates that the control word has been enabled and has timed out.

1. Once Pr 06.042 bit 14 has been changed from 0 to 1 to enable the watchdog, this must be repeated every 1 s or a
   Watchdog trip will be initiated.
2. The watchdog is disabled when the trip occurs and must be re-enabled if required when the trip is reset.