Using the Reset button on FortiSwitch units
Except for the FS-1024D model, all FortiSwitch units have a Reset button. The Reset button is recessed in a small unlabeled hole in the FortiSwitch faceplate, except for the FS-1048E model, which has the Reset button in back of the switch.
To reset the FortiSwitch unit to the factory default configuration, press the Reset button for about 10 seconds and then release it.