Troubleshooting steps
Check application logs, verify scripts, check system resources
SCADA System Alarms
WinCC W28 – Runtime error
Runtime error
Details
WinCC W28 error on SCADA indicates runtime error. Application error, script error, memory issue. Check application logs, verify scripts, check system resources.
Error typeruntime
MeaningRuntime error
Typical causesApplication error, script error, memory issue
SolutionsCheck application logs, verify scripts, check system resources
SeverityHigh
Catalog references
Where this appears
WinCCW28
Utilities
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Common questions
What does W28 mean on WinCC SCADA?
W28 on WinCC SCADA indicates runtime error. Application error, script error, memory issue.
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