Series 612 
TROUBLE SHOOTING 
 
605262EE  Edition 2018-08-20  91/
 
6.1  Additional EtherCAT warning 
Failure detection with CPA or 
CV software 
Check  Action 
Network failure: No EtherCAT 
communication is active 
(warning 8) 
-  EtherCAT cable ok? 
-  Connection to master ok? 
-  Process data output 
watchdog 
(SyncManager2) disabled 
or timing settings wrong? 
- Check EtherCAT cable. 
- Check the EtherCAT connection to master. 
- Check the process data output watchdog – 
SyncManager2 settings (see chapter: «EtherCAT 
configuration - 5. EtherCAT process data output 
watchdog – SyncManager»). 
 
 
 
If you need any further information, please contact one of our service centers. You will find the 
addresses on our website: www.vatvalve.com.