B-1

Appendix B

Alarms and Faults

Alarms

Table B-1 Alarms
Alarm Code Alarm Description
A new activation key was loaded. Reset
the system. A new activation key was loaded:
Reset the MCU.
A new version was installed. Reset the
system. A new version was installed:
Reset the MCU.
A private version is loaded A private version is loaded: [private description].
Action redirection failure Possible explanations:
Action redirection failure.
Action redirection map incomplete.
Alarm generated by a Central Signaling
component A system alert was generated by a component of the
Central Signaling.
Alarm generated by an internal
component A system alert was generated by an internal system
component.
Automatic reset is unavailable in Safe
Mode The system switches to safe mode if many resets occur
during startup. To prevent additional resets, and allow
the system to complete the st artup process the
automatic system resets are blocked.
Backup of audit files is required If the ENABLE_CYCLIC_FILE_SYSTEM_ALARMS is
set to YES (default setting when JITC_MODE System
Flag is set to YES) and a Cyclic File reaches a file
retention time or file storage capacity limit, the user is
alerted that audit files need to be backed up.