p300 starts with a dark screen (corrected from V3.13.1)

Corrected from:
p300 panel controller V3.13.1
 
Response of the new version:
The panel controller starts correctly.
 
What happens?
After switching on the panel controller, the screen remains dark.
 
When does this behaviour occur?
The above-described behaviour may occur sporadically.
 
Which products are affected?
p300 panel controller from V3.13
 
Short-term measures:
Switch the mains for the panel controller.
 
Evaluation/recommendations:
After mains switching, the screen of the p300 sporadically remains dark. Operation is not possible and mains switching is required. 

URL for linking this AKB article: https://www.lenze.com/en-de/go/akb/201600453/1/
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