Code SRVO-231: Chain 2 abnormal %x,%x
Problembeschreibung & Sicherheitswarnung
Die Fanuc R-30i Series Robot Controller hat einen kritischen Chain 2 abnormal %x,%x-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
Cause: 1. A failure occurred in chain 1 (+24V)/chain2(0V) of emergency stop circuit. 2. There is a possibility that the specification of the teach pendant is incorrect when occurring immediately after turning on of the power supply. For instance, this might occur if the teach pendant of non-RIA/CE specification is connected with the controller of the RIA/CE specification. Remedy: 1. In case of the above cause 2, connect a correct teach pendant. 2. Confirm the history of the alarm on the Alarm Log screen. If occurring with either 'Operator panel E-stop', 'Teach pendant E-stop' or 'Deadman switch released', the emergency stop button is released, and it presses again. For deadman switch, the deadman switch is gripped once and it released again. Chain abnormal state was released if occurring SRVO-236 'Chain failure is repaired'. Release e-stop button, deadman and press RESET. 3. If this alarm cannot be reset, refer to the Controller Maintenance Manual for more information. After these measures, the release operation of chain abnormal state is necessary. a. Press the emergency stop button on the teach pendant or operator panel once and release it. b. Press F4 'RES_1CH' on the Alarm Active screen. c. Press RESET. 4.ERROR CODES B-83124EN-6/02
Source: FANUC Robot R-30iA Alarm Code List Operator's Manual
Last reviewed: 2026-07-01 · Verified against the manufacturer’s official documentation.
Über Fanuc R-30i Series Robot Controller Alarme
Industriesteuerungen von Fanuc verfügen über umfangreiche Diagnosesysteme zum Schutz der internen Schaltkreise und mechanischen Verbindungen. Wenn eine R-30i Series Robot Controller einen Fehlercode wie SRVO-231 ausgibt, deutet dies typischerweise auf eine Diskrepanz zwischen befohlenen Werten und tatsächlichem Sensor-Feedback hin.
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