The Zensys tool (only Windows) is very, very effective in cleaning up old Z-Wave nodes from the Controller (the USB Stick)
Even Aeon Labs uses it 
Ref: Zensys zwave tool & zwave issues
The Zensys tool (only Windows) is very, very effective in cleaning up old Z-Wave nodes from the Controller (the USB Stick)
Even Aeon Labs uses it Ref: Zensys zwave tool & zwave issues