MC42 THROWING ERROR SHORTED INPUTS NOT OUTPUTS

WHEN FLASHING MY MC 42 IM HAVING A HARD TIME CONNECTING PROBABLY DUE TO A 24V SHORT ON INPUT BUT ITS RESULTING IN THE OQAN MC42 HAVE A HARD TIME CONNECTING TO VIEW EVEN IF SUCCEEDED WITH THE SOFTWARE FLASH. I SPOKE W A PARKER SPECIALIST AND ITS ALSO SOMETHING NEW THAT HE HAVE SEEN .

ANY IDEA ON HOW IS THAT POSSIBLE IF AN INPUT ARE SHORTED WE LOSE THE MAIN CONTROLLER?

HELP PLEASE.

BEST REGARDS,

CS