Installation, Operating & Maintenance Instructions 
Series 650 DN 100-250 (I.D. 4“ - 10”), CC-Link 
 
 
 
VAT Vakuumventile AG, CH-9469 Haag, Switzerland 
Tel +41 81 771 61 61   Fax +41 81 771 48 30   CH@vatvalve.com www.vatvalve.com 
280672EB 
2010-12-15 
75/94 
 
4.1 Additional CC-Link warning 
 
Failure detection with CPA or 
CV software 
Check  Action 
Network failure: No CC-Link 
communication is active 
(warning 8) 
 
-  CC-Link cable ok? 
-  Connection to master ok? 
-  Check CC-Link cable. 
-  Check the CC-Link connection to master. 
 
 
If you need any further information, please contact one of our service centers. You can find the addresses on our website: 
http://www.vat.ch