Symbol help

New tech here. Working on an Eng. Air unit and I’m struggling to understand what this symbol is telling me is happening. Trying to diagnose why the time delay fuse is blowing. I suspect blower motor but want to eliminate something in the controller itself.

New tech here. Working on an Eng. Air unit and I’m struggling to understand what this symbol is telling me is happening. Trying to diagnose why the time delay fuse is blowing. I suspect blower motor but want to eliminate something in the controller itself.