Chapter 14. Diagnostics284 PACSystems* RXi Distributed IO Controller User Manual GFK-2816F14.5.2 I/O Fault CategoriesCategory Fault TypeFaultDescription Fault Extra DataCircuit Fault (1) Discrete Fault (1) Loss of User Side Power (01 hex) Circuit ConfigurationShort Circuit in User Wiring (02 hex) Circuit ConfigurationSustained Overcurrent (04 hex) Circuit ConfigurationLow or No Current Flow (08 hex) Circuit ConfigurationSwitch Temperature Too High (10 hex) Circuit ConfigurationSwitch Failure (20 hex) Circuit ConfigurationPoint Fault (83 hex) Circuit ConfigurationOutput Fuse Blown (84 hex) Circuit ConfigurationAnalog Fault (2) Input Channel Low Alarm (01 hex) Circuit ConfigurationInput Channel High Alarm (02 hex) Circuit ConfigurationInput Channel Under Range (04 hex) Circuit ConfigurationInput Channel Over Range (08 hex) Circuit ConfigurationInput Channel Open Wire (10 hex) Circuit ConfigurationOver Range or Open Wire (18 hex) Circuit ConfigurationOutput Channel Under Range (20 hex) Circuit ConfigurationOutput Channel Over Range (40 hex) Circuit ConfigurationExpansion Channel Not Responding(80 hex)Circuit ConfigurationInvalid Data (81 hex) Circuit ConfigurationLow-Level Input Channel Low Alarm (01 hex) Circuit ConfigurationAnalog Fault (4) Input Channel High Alarm (02 hex) Circuit ConfigurationInput Channel Under Range (04 hex) Circuit ConfigurationInput Channel Over Range (08 hex) Circuit ConfigurationInput Channel Open Wire (10 hex) Circuit ConfigurationWiring Error (20 hex) Circuit ConfigurationInternal Fault (40 hex) Circuit ConfigurationInput Channel Shorted (80 hex) Circuit ConfigurationInvalid Data (81 hex) Circuit ConfigurationLoss of Block (2) Not Specified (0) NA Device ConfigurationNumber of Input CircuitsNumber of Output CircuitsAddition of Block (3) NA NA Device ConfigurationNumber of Input CircuitsNumber of Output CircuitsI/O Bus Fault (6) Bus Fault (1) NA NASBA Conflict (3)PROFINET Multiplemedia redundancymanager faultsRefer to Group 6 faults in Section14.5.3, I/O Fault Descriptions andCorrective Actions.