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FANUC Alarm SRVO-231 — SERVO Chain 2 (0v) abnormal

FANUC SRVO-231 (“SERVO Chain 2 (0v) abnormal”): A single chain 2 (0V) failure occurred. First check: 1. Repair the circuit of the chain 2 (0V) on the hardware.

Updated 2026-08-29 · LogrobotLM reference

Description

A single chain 2 (0V) failure occurred.

Remedy · Remède

1. Repair the circuit of the chain 2 (0V) on the hardware. 2. Set CHAIN FAILURE detection to TRUE on the SYSTEM/CONFIG screen. 3. Push RESET on the teach pendant.

Frequently asked · Questions fréquentes

What does FANUC alarm SRVO-231 mean?
FANUC SRVO-231 (“SERVO Chain 2 (0v) abnormal”): A single chain 2 (0V) failure occurred.
How do you troubleshoot FANUC alarm SRVO-231?
1. Repair the circuit of the chain 2 (0V) on the hardware. 2. Set CHAIN FAILURE detection to TRUE on the SYSTEM/CONFIG screen. 3. Push RESET on the teach pendant.

Related codes / Codes liés

SRVO-223DSP dry run (%d,%d)SRVO-230SERVO Chain 1 (+24v) abnormalSRVO-232SERVO NTED inputSRVO-233SERVO TP OFF in T1,T2/Door open

Indicative field information — the robot manufacturer's manual and safety procedures always prevail. Never bypass a safety device; apply lockout/tagout (LOTO) before any physical intervention. · Informations indicatives issues du terrain — le manuel du constructeur et ses procédures de sécurité font foi. Ne shuntez jamais un organe de sécurité ; consignez (LOTO) avant toute intervention physique. How this reference is built →