Chapter 9. Diagnostics
GFK-2950C February 2018 385
9.1.3 Fault Actions and Fault Action Configuration
Fatal faults cause the fault to be recorded in the appropriate table, diagnostic variables to be set, and
the system to be stopped. Only fatal faults cause the system to stop.
Diagnostic faults are recorded in the appropriate table, and any diagnostic variables are set.
Informational faults are only recorded in the appropriate table.
Log fault in fault table.
Set fault references.
Go to STOP/Fault Mode.
Log fault in fault table.
Set fault references.
Log fault in fault table.
The hardware configuration can be used to specify the fault action of some fault groups. For these
groups, the fault action can be configured as either fatal or diagnostic. When a fatal or diagnostic
fault within a configurable group occurs, the CPU executes the configured fault action instead of the
action specified within the fault.
Note: The fault action displayed in the expanded fault details indicates the fault action specified by
the fault that was logged, but not necessarily the executed fault action. To determine what
action was executed for a particular fault in a configurable fault group, you must refer to the
hardware configuration settings.
Faults that are part of configurable fault groups:
Fault Action Displayed in
Fault Table
Diagnostic or Fatal.
Determined by action selected
in Hardware Configuration.
Diagnostic or Fatal.
Determined by action
selected in Hardware
Configuration.
Faults that are part of non-configurable fault groups:
Fault Action Displayed in
Fault Table
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