Siemens 6AV6372-2DF07-0CX0 SIMATIC WinCC

Common Error Codes and System Events

Event ID: 1000000

WinCC Runtime startup failure — the runtime system could not be started, often due to a missing or invalid license.
Verify that a valid WinCC license is installed using the Siemens Automation License Manager. Reinstall the license if necessary.

Event ID: 1001

Communication error to PLC — the configured communication channel to the SIMATIC controller cannot be established.
Check network or bus connections, verify the PLC address settings in WinCC Tag Management, and confirm the PLC is in RUN mode.

Event ID: 10000

Tag acquisition error — one or more process tags cannot be read from the connected controller.
Check the tag configuration in WinCC Tag Management, verify PLC program variable addresses, and confirm communication driver status.

Event ID: 100001

Archive database error — the WinCC archive (process value or alarm archive) cannot be accessed or written to.
Check available disk space, verify SQL Server service is running, and check database file integrity using WinCC diagnostics tools.

Event ID: 2000

User administration error — login failure or user rights configuration issue detected.
Verify user account configuration in WinCC User Administrator. Reset user credentials if necessary and check access level assignments.

Event ID: 3000

OPC server connection failure — WinCC OPC DA or OPC UA server cannot be reached by the OPC client application.
Verify OPC server configuration, check DCOM settings for OPC DA connections, and confirm firewall rules allow OPC communication on the required ports.

Event ID: 5000

Redundancy switchover event — WinCC has detected a failure on the primary server and switched to the redundant server.
Investigate the cause of the primary server failure, restore the primary server to operational status, and perform a manual switchback if required.