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Maintenance
840 USE 106 00 January 2003 197
4 Turn the key to the mode you want the Standby unit to be in after the update,
Run or Off Line.
Result:
The amber Standby indicator begins to blink.
5 Release the update button.
Result
The Primary controller begins copying its full program to the Standby.The
Standby indicator on the Standby unit continues to blink as the module
processes the update. When the update is completed, the CHS 110 Hot
Standby module instructs the Standby controller to return to the mode you have
set, Run or Off Line. If the Standby unit is in Run mode, the Standby and Com
Act lights are lit. If the Standby unit is offline, neither indicator is lit.The Standby
now has an program identical to the Primary unit.
6 Remove the key and store it in a secure place.
Step Action
Update Button
Slide switches must be
set in opposite positions.
Off
Line
Xfer
Run
Off
Line
Xfer
Run
Updating Standby