FANUC Alarm SRVO-243 — SERVO Chain 2 (EXEMG) abnormal
FANUC SRVO-243 (“SERVO Chain 2 (EXEMG) abnormal”): A single chain 2 (0V) failure occurred when External Emergency stop input was asserted. First check: 1. Repair the circuit of the chain 2 (0V) on the External Emergency stop hardware.
Updated 2026-08-29 · LogrobotLM reference
Description
A single chain 2 (0V) failure occurred when External Emergency stop input was asserted.
Remedy · Remède
1. Repair the circuit of the chain 2 (0V) on the External Emergency stop hardware. 2. Set CHAIN FAILURE detection to TRUE on the SYSTEM/CONFIG screen. 3. Press RESET on the teach pendant.
Frequently asked · Questions fréquentes
- What does FANUC alarm SRVO-243 mean?
- FANUC SRVO-243 (“SERVO Chain 2 (EXEMG) abnormal”): A single chain 2 (0V) failure occurred when External Emergency stop input was asserted.
- How do you troubleshoot FANUC alarm SRVO-243?
- 1. Repair the circuit of the chain 2 (0V) on the External Emergency stop hardware. 2. Set CHAIN FAILURE detection to TRUE on the SYSTEM/CONFIG screen. 3. Press RESET on the teach pendant.
Related codes / Codes liés
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 →