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Unable to backup objects to flash ACCFlashFailure Error seen


Controller fails to backup to flash. See error message "Unable to backup objects to flash ..."

ACCStatusFlash variable should be ACCFlashValid not ACCFlashFailure

Product Line

Andover Continuum


  • Continuum Controllers
  • NetController 2, bCX9640, bCX4040


A Program or Function in the Controller is corrupt and cannot be compiled or is blank and does not have any Plain English code in it.


  1. Go to the config page (Controller Configuration)
  2. Clear database backup
  3. Fix up or delete the offending programs
  4. Re-attempt to save the database to flash
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