SLS 1508 SIS diagnostics > Logic solver diagnostic parameters

DiagStatus logic solver diagnostic parameter

Table: DiagStatus diagnostic parameter

Parameter name in Diagnostics Explorer

Context in Diagnostics Explorer

Runtime path

Description

DiagStatus

Card

CTL_NAME/IO1/Cxx/DIAG_STATUS

Status of the diagnostic subsystem in the main processors of the logic solver card

Table: DiagStatus condition text

Condition Text in DIAG_STATUS

Meaning

Mapping to Alert Condition

 Impacts Integrity?

Past Error Present

A condition is present in the card's PAST_ERROR parameter.

None

Y

Persistent Fatal Error After Powerup

The same PAST_ERROR condition was present on back-to-back resets. The card is not fully operational.

MAINT_ALERTS Card Not Fully Operational

Y

Task Checkpoint Alarm

A non-critical task has not completed properly in one of the subsystems in the card.

ADVISE_ALERTS Task Checkpoint Alarm

Y

Non-Volatile Memory Battery or Chip Failure

NVM battery or chip failure has been detected on powerup or during periodic test.

MAINT_ALERTS Non-Volatile Memory Battery or Chip Failure

Y

CPU Free Time Low <20%

The idle time on one or both of the main processors is less than 20% of the total task time.

ADVISE_ALERTS CPU Free Time Low <20%

Y

Self-Test Incomplete

A periodic main processor memory test did not complete in the allotted time. The condition clears when the test completes.

ADVISE_ALERTS Self-Test Incomplete

Y