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Code 12650: Channel %1 block %2 axis identifier %3 different in channel %4

Problembeschreibung & Sicherheitswarnung

Die Siemens SINUMERIK 840D CNC hat einen kritischen Channel %1 block %2 axis identifier %3 different in channel %4-Alarm ausgelöst. Sofortige Aufmerksamkeit durch einen qualifizierten Bediener oder Wartungstechniker ist erforderlich, um Folgeschäden an der Ausrüstung oder verdorbene Teile während des Fertigungszyklus zu vermeiden. Stellen Sie immer sicher, dass standardmäßige Sicherheits- und LOTO-Verfahren befolgt werden, bevor Sie auf Schaltschränke zugreifen.

Offizielle Schritte zur Fehlerbehebung

Parameters: %1 = Channel number %2 = Block number %3 = Source symbol %4 = Channel number with different axis definition Definitions: In cycles that are preprocessed at Power On, onl y those geometry and channel axis identifiers may be used that exist in all channels with the same meani ng. In different channels, different axis indices are assigned to the axis identifier. The axis identifiers are defined via MD 20060 $MC_AXCONF_GEOAX_NAME_TAB and MD20080 $MC_AXCONF_CHANAX_NAME_TAB. Example: C is the 4th channel axis in channel 1 and the 5th channel axis in channel 2. If the axis identifier C is used in a cycle that is preprocessed at Po wer On, then this alarm is issued. Reaction: Interpreter stop NC Start disable in this channel. Interface signals are set. Alarm display. Remedy: Please inform the authorized personnel/service department. 1. Modify machine data: Select the same identifi ers for geometry and channel axes in all channels. Example: The geometry axes are called X, Y, Z in all channels. They can then also be programmed directly in preprocessed channels. 2. Do not program the axis directly in the cycle but define it as a parameter of the axis type. Example: Cycle definition: PROC DRILL(AXIS DRILLAXIS) G1 AX[DRILLAXIS]=10 F1000 M17 Call from the main program: DRILL(Z) Program Continuation: Clear alarm with the RESET key. Restart part program

Source: SINUMERIK 840D sl / 840Di sl / SINAMICS S120 Diagnostics Manual (DAsl, 03/2009)

Last reviewed: 2026-07-01 · Verified against the manufacturer’s official documentation.

Über Siemens SINUMERIK 840D CNC Alarme

Industriesteuerungen von Siemens verfügen über umfangreiche Diagnosesysteme zum Schutz der internen Schaltkreise und mechanischen Verbindungen. Wenn eine SINUMERIK 840D CNC einen Fehlercode wie 12650 ausgibt, deutet dies typischerweise auf eine Diskrepanz zwischen befohlenen Werten und tatsächlichem Sensor-Feedback hin.

Vollständige Alarmliste: 4014 Siemens SINUMERIK 840D CNC codes.

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