Anyone know why drivers will "freeze up"

[John30_30]

sometimes when the unit is being shipped? I've got my own theory but don't want to look like an arse right off the gitgo.

[ben62670]

The glue taht holds the magnets in place breaks free, and the magnet bind the VC. Sadly they are done.
Ben

[John30_30]

ah so. Thank you, Ben-sama.

[ben62670]

What kind were they? 6500, 6501, 6502, 6503, 6510, 6511, or 6600?