GE D25 User Manual

Contents

GE D25 User Manual Manual pdf 144 page image

D25User's Manual GE Grid Solutions144 994-0081-3.00-21 GE InformationChapter 8: TroubleshootingThis section provides guidance in troubleshooting system malfunctions andWESMAINT error messages:• Runtime and start-up problems• Initialization errors• LAN-based errorsNote that Plant I/O errors are reported as changes in the state of specificdigital input points. These events will be logged in the SOE Buffer Display inWESMAINTIn severe cases, the WESMAINT application may not run at all. If thishappens, then access the system monitor, type EL /P and press ENTER todisplay a low-level error log.If you fail to solve a problem, then contact GE Grid Solutions for assistance.Run-time and Startup ProblemsTable:DiagnosingProblemsUse the following table to diagnose problems with the D25:Symptom Possible Causes SuggestionsActive OperationsAbortedControls Switch is in the Localposition. D25 Plant I/O Subsystemmonitoring detects that the supplyvoltage is not available.Move the Controls Switchto the Local position.Verify supply voltagesource.Active RequestsAbortedThe D25 Plant I/O Subsystemmonitoring detects a conflictbetween desired and actual coilstatus (a coil is not energized whenit should be).Verify coil status.Digital Output RequestsRejectedControls Switch is in the Localposition. D25 Plant I/O Subsystemmonitoring detects that the supplyvoltage is not available.The D25 Plant I/O Subsystemmonitoring detects a conflictbetween desired and actual coilstatus (a coil is not energized whenit should be).Move the Controls Switchto the Local position.Verify supply voltagesource.Verify coil status.