The 9400 indicates the error message ¨control card defect¨ (eliminated from V1.12)

Eliminated from:
Communication module E94AYCEP Firmware V1.12 in CN mode (Control Node)
Communication module E94AYCEC Firmware V1.12

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Which products are affected?
E94AYCEP communication module ≤ FW 1.10 in CN mode (Control Node)
E94AYCEC communication module ≤ FW 1.10

What happens?
When switching on the 9400 it may sporadically happen that the 'Control card defect' error message is displayed in the Engineer. As a result, the axis cannot be used. However, the 9400 control card is not defect if this error message occurs.

When does the problem occur?
The problem occurs in combination with the Lenze Powerlink module.

Possible diagnostics?
The red error LED at the drive signals the faulty behaviour and the error message 'Control card defect' is entered in the 9400 logbook.

Short-term measures/recommendations?
Reconnect the 9400 axis to the mains.

Evaluation:
This error has been eliminated from FW 1.12 onwards. As a result, the sporadic 'Control card defect' error message no longer appears.

URL for linking this AKB article: https://www.lenze.com/en-de/go/akb/201107740/1/