Table 15:Internal fault indicationsFault indication Additional informationInternal FaultReal Time Clock ErrorHardware error with the real time clock.Internal FaultRuntime Exec. ErrorOne or more of the application threadsare not working properly.Internal FaultSW Watchdog ErrorThis signal will be activated when theterminal has been under too heavy loadfor at least 5 minutes.Internal FaultRuntime App ErrorOne or more of the application threadsare not in an expected state.Internal FaultFile System ErrorA file system error has occurred.Internal FaultTRM-ErrorA TRM card error has occurred. Theinstance number is displayed at the endof the fault indication.Internal FaultCOM-ErrorA COM card error has occurred. Theinstance number is displayed at the endof the fault indication.Internal FaultPSM-ErrorA PSM card error has occurred. Theinstance number is displayed at the endof the fault indication.Internal FaultRTD ErrorAn RTD card error has occurred. Theinstance number is displayed at the endof the fault indication.7.2.2 WarningsThe warning message associated with the fault is found in the internal event list in theLHMI menu Main menu/Monitoring/Internal events. The message includes thedate, time, description and signal state for the fault. The current status of the internalfault signals can also be checked via the LHMI in Main menu/Monitoring/IEDstatus.When a fault appears, record the fault indication message and state it when orderingservice.Table 16:Warning indicationsWarning indication DescriptionWarningIEC 61850 ErrorIEC 61850 has not succeeded in some actionssuch as reading the configuration file or startup.WarningDNP3 ErrorError in DNP3 communication7.2.3 Additional indicationsThe additional indication messages do not activate internal fault or warning.Section 7 1MRS756509 ETroubleshooting86 630 seriesOperation Manual