What can cause Intermittent communication issues when using VW3A3320 Ethernet Combo card?

Issue:
Intermittent communication issues when using VW3A3320 Ethernet Combo card

Product Line:
ATV71, ATV61, Altivar 61, Altivar 71

Environment:
All

Cause:
Intermittent communications drop out

Resolution:
Check to see if there are other PLCs or Controllers on the network that are not Online. Isolate them off the network.
Also, it is important to remove the heat sticker off the cards when installing.

Released for: Schneider Electric USA