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Code 207960: <location>Drive: Incorrect friction characteristic

Problembeschreibung & Sicherheitswarnung

Die Siemens SINUMERIK 840D CNC hat einen kritischen <location>Drive: Incorrect friction characteristic-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

Message value: Parameter: %1 Drive object: SERVO, VECTOR Reaction: NONE Acknowledge: NONE SINAMICS-Alarms Cause: The friction characteristic is incorrect. Alarm value (r2124, interpret decimal): 1538: The friction torque is greater than the maximum from the upper effective torque limit (p1538) and zero. This is the reason that the output of the friction characteristic (r3841) is limited to this value. 1539: The friction torque is less than the minimum from th e lower effective torque limit (p1539) and zero. This is the reason that the output of the friction characteristic (r3841) is limited to this value. 3820... 3829: Incorrect parameter number. The speeds entered in t he parameters for the friction characteristic do not correspond to the following condition: 0.0 < p3820 < p3821 <... < p3829 <= p0322 or p1082, if p0322 = 0 Therefore the output of the friction ch aracteristic (r3841) is set to zero. 3830... 3839: Incorrect parameter number. The torques entered in t he parameters for the friction characteristic do not correspond to the following condition: 0 <= p3830, p3831... p3839 <= p0333 Therefore the output of the friction ch aracteristic (r3841) is set to zero. See also: r3840 (Friction c haracteristic, status word) Remedy: Fulfill the conditions for t he friction characteristic. Re alarm value = 1538: Check the upper effective torque limit (e.g. in the field weakening range). Re alarm value = 1539: Check the lower effective torque limit (e.g. in the field weakening range). Re alarm value = 3820... 3839: Fulfill the conditions to set the param eters of the friction characteristic. If the motor data (e.g. the maximum speed p0322) are changed during commissioning (p0010 = 1, 3), then the technological limits and threshold val ues, dependent on this, must be re-calculated by selecting p0340= 5).

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 207960 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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