Chapter 14. DiagnosticsGFK-2816F August 2015 28314.5 I/O Fault DetailsThe I/O fault table reports the following data about faults:■ Fault Group■ Fault Action■ Fault category■ Fault type■ Fault descriptionAll faults have a fault category, but a fault type and fault group may not be listed for everyfault. To view the detailed information pertaining to a fault, click the fault entry in the I/O FaultTable.An I/O fault table entry contains up to 21 bytes of I/O fault extra data that contains additionalinformation related to the fault. Not all entries contain I/O fault extra data.Note: The model number mismatch and I/O type mismatch faults are reported in thecontroller fault table under the System Configuration Mismatch group. They are notreported in the I/O fault table.14.5.1 I/O Fault GroupsGroup Number Group Name Default Fault Action16 Configurable2 Loss of or Missing IOC Diagnostic No3 Loss of or Missing I/O module ornetwork DeviceDiagnostic No6 Addition or Reset of, or Extra IOC N/A No7 Addition of or Extra I/O module ornetwork DeviceN/A No9 IOC or I/O Bus Fault Diagnostic Yes10 I/O Module Fault N/A No15 IOC Software Failure Same As Group 2 17 No16 Module Software Failure N/A No28 PROFINET alarms Diagnostic No16 The fault action indicated is not applicable if the fault is displayed as informational. Faults displayedas informational, always behave as informational.17 The fault action for the IOC Software Failure group 15 always matches the action used by the Loss ofor Missing IOC group 2. If the Loss of or Missing IOC group is configured, the IOC Software Failuregroup is also configured to take the same fault action.