Equallogic reset

I have a PS6100 that was a part of a two array group. One of our team took the main array (a PS4100) and took it and put it on the bench and did some things to it. Since it is older, I am just wanting to use the PS6100 now for some extra storage. I need to command to hard reset it back to default so I can reconfigure it singularly. If anyone has that command that would be great. We do not have support on this and the firmware is running a version 7 something. Anyway, if someone can include that syntax that would be great. Thanks