Smartgen HGM9600 Series User Manual page 23

Otherwise, switch on is completed.
If transfer failure warning is "SELECT Enable", there is warning signal that "switch on fail".
2. If input port is not configured as Close Mains Auxiliary
Generator off-load is transferred into generator load, close generator outputs.
Generator load is transferred into generator off-load, open generator outputs.
NOTE:
When using ATS of no interposition, switch off detecting should "SELECT Disable";
When using ATS of having interposition, switch off "SELECT Disable" or "SELECT Enable" both are OK. If choose "SELECT
Enable", switch off output should be configured;
When using AC contactor, switch off "SELECT Enable" is recommended.
HGM9600 Series Genset Controller User Manual Page 23 of 73