LogrobotLM

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FANUC Alarm SRVO-143 — SERVO PSFLAL(CNV) alarm (G:%d A:%d)

FANUC SRVO-143 (“SERVO PSFLAL(CNV) alarm (G:%d A:%d)”): Input power applied to the amplifier has been lost. First check: Check the connections and cables of the input power.

Updated 2026-08-29 · LogrobotLM reference

Description

Input power applied to the amplifier has been lost.

Remedy · Remède

Check the connections and cables of the input power.

Frequently asked · Questions fréquentes

What does FANUC alarm SRVO-143 mean?
FANUC SRVO-143 (“SERVO PSFLAL(CNV) alarm (G:%d A:%d)”): Input power applied to the amplifier has been lost.
How do you troubleshoot FANUC alarm SRVO-143?
Check the connections and cables of the input power.

Related codes / Codes liés

SRVO-141SERVO OHAL1(CNV) alarm (G:%d A:%d)SRVO-142SERVO OHAL1(INV) alarm (G:%d A:%d)SRVO-144SERVO LVAL(INV) alarm (G:%d A:%d)SRVO-145SERVO LVAL(CNV-DC) alarm(G:%d A:%d)

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 →