Alarm: 251 PROG DATA STRUCT ERROR
Haas Alarm Description:
Possible corrupt program. Save all programs to disk, delete all, and then reload. If the error persists, programs may have to be searched for error on PC, corrected then reloaded. Back up all programs on USB or other device, delete all, and reload. Problem may return when programs are reloaded. Programs should be reloaded one at a time to isolate the corrupted program. If any programs cannot be deleted, please contact your dealer.
References
- Haas Alarms PDF by Haas Automation, Inc.