FANUC Alarm ARC-156 — SYSTEM RoboWeld Error(0x%X, %d)

FANUC ARC-156 (“SYSTEM RoboWeld Error(0x%X, %d)”): RoboWeld internal error. First check: Please call FANUC service.

Updated 2026-08-29 · LogrobotLM reference

Description

RoboWeld internal error.

Remedy · Remède

Please call FANUC service.

Frequently asked · Questions fréquentes

What does FANUC alarm ARC-156 mean?: FANUC ARC-156 (“SYSTEM RoboWeld Error(0x%X, %d)”): RoboWeld internal error.
How do you troubleshoot FANUC alarm ARC-156?: Please call FANUC service.

Related codes / Codes liés

ARC-154STOP Invalid Arc Loss Time(E:%d)ARC-155STOP Comm . Timeout(E:%d)ARC-157STOP Receive error(0x%X)(E:%d)ARC-158STOP 1st currency (E:%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 →