When executing online change, the message "Download failed: Unknown reason" appears (corrected with V1.15)

Corrected from:
Controller c430 V1.15
Controller c520 V1.15
Controller c550 V1.15
Behavior of the new version:
There is no message for Online Change. The application is transferred. The PLC remains in RUN mode.


Description of the behavior:
The following message occurs:


 

Conditions under which the behavior occurs:
The behavior described above can occur if a change was made in the PLC application with the PLC Designer and this change was downloaded with Online Change to the controller 

Affected products:
Controller c430
Controller c520
Controller c550

Short-term measures, Recommendations,Rating:
Instead of the Online Change the PLC application can be downloaded to the controller with Download.

This functional limitation has been observed very rarely so far.

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