Maintenance

Step

Action

 

 

 

5

Confirm that the keyswitch on both Hot Standby modules has not been

 

overridden by software.

 

 

After Taking the Primary Controller Offline

 

Primary

Standby

 

 

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.

 

 

 

 

202

840 USE 106 00 January 2003

Page 202
Image 202
Schneider Electric 840 USE 106 0 manual Primary Standby, After Taking the Primary Controller Offline