Schneider Electric 840 USE 106 0 Stroller User Manual


 
Maintenance
202
840 USE 106 00 January 2003
5 Confirm that the keyswitch on both Hot Standby modules has not been
overridden by software.
After Taking the Primary Controller Offline
6 Turn the key on the Primary Hot Standby module to Off Line.
Result: Standby should now be functioning as the Primary controller.
7 Check to see that all LED indicators are normal and all application devices are
functioning properly. The Standby indicator should be extinguished and the
Primary indicator should be a steady green.
Step Action
Primary Standby