NCU link: the NCU %1 has not received a message
%1 = NCU number
Error message of the NCU link module. During operation of the NCU link, a message from the local NCU to the NCU specified in the alarm parameter has failed. A hardware error may have occurred (e.g. sporadic disturbances on the communication line).
- NC not ready.
- Channel not ready.
- NC Start disable in this channel.
- Interface signals are set.
- Alarm display.
- NC Stop on alarm.
The message does not fail until several attempts have been made to repeat the communication. The number of repetitions can be increased with MD LINK_MAX_RETRY_CTR.
Switch control OFF - ON.
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