GE Grid Solutions
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Chapter 8: Troubleshooting
This section provides guidance in troubleshooting system malfunctions and
WESMAINT error messages:
• Runtime and start-up problems
• Initialization errors
• LAN-based errors
Note that Plant I/O errors are reported as changes in the state of specific
digital input points. These events will be logged in the SOE Buffer Display in
WESMAINT
In severe cases, the WESMAINT application may not run at all. If this
happens, then access the system monitor, type EL /P and press ENTER to
display a low-level error log.
If you fail to solve a problem, then contact GE Grid Solutions for assistance.
Run-time and Startup Problems
Table:
Diagnosing
Problems
Use the following table to diagnose problems with the D25:
Symptom Possible Causes Suggestions
Active Operations
Aborted
Controls Switch is in the Local
position. D25 Plant I/O Subsystem
monitoring detects that the supply
voltage is not available.
Move the Controls Switch
to the Local position.
Verify supply voltage
source.
Active Requests
Aborted
The D25 Plant I/O Subsystem
monitoring detects a conflict
between desired and actual coil
status (a coil is not energized when
it should be).
Verify coil status.
Digital Output Requests
Rejected
Controls Switch is in the Local
position. D25 Plant I/O Subsystem
monitoring detects that the supply
voltage is not available.
The D25 Plant I/O Subsystem
monitoring detects a conflict
between desired and actual coil
status (a coil is not energized when
it should be).
Move the Controls Switch
to the Local position.
Verify supply voltage
source.
Verify coil status.
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