Downloading projects - Queued fault message for application (L_FWM) not reset (eliminated as of OPERATING SYSTEM V8.3)

Eliminated as of:
ECS Application OPERATING SYSTEM  as of V8.3

Behaviour of the new version?
Queued fault messages from the previously active application are reset when a new application is downloaded.



Which products are affected?
ECS Application OPERATING SYSTEM <= V8.0

What happens?
Unexpected fault message. After an application has been downloaded, system variable 'DCTRL_bFail_b'  is set and the fault code under C0168/0 is equal to '0', or displays an application error (> x400).  

When does the problem occur?
After downloading a project, if a fault message for the previously active application has been queued while the L_FWM() function was in use.

Diagnostics options?
Fault message occurs immediately after downloading a project.

Short-term measures/recommendations?
Reset queued fault messages before commencing a download (fault reset).
The pending fault message can be reset by means of mains switching.

Evaluation:
The problem usually occurs during commissioning.

CR Id: LDS00020719
Published with Service Message No. 2010/32

URL for linking this AKB article: https://www.lenze.com/en-de/go/akb/201011317/1/
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