FANUC Alarm ARC-143 — Power supply/feeder com alarm(E:%d)

FANUC ARC-143 (“Power supply/feeder com alarm(E:%d)”): In the power supply, the communication between the operation board and the control board was disconnected. First check: 1. Check the fuses [For feeder: 3A(FU2)/8A(FU3)].

Updated 2026-08-29 · LogrobotLM reference

Description

In the power supply, the communication between the operation board and the control board was disconnected.

Remedy · Remède

1. Check the fuses [For feeder: 3A(FU2)/8A(FU3)]. If the fuses were blown, please perform the following remedy.

Frequently asked · Questions fréquentes

What does FANUC alarm ARC-143 mean?: FANUC ARC-143 (“Power supply/feeder com alarm(E:%d)”): In the power supply, the communication between the operation board and the control board was disconnected.
How do you troubleshoot FANUC alarm ARC-143?: 1. Check the fuses [For feeder: 3A(FU2)/8A(FU3)]. If the fuses were blown, please perform the following remedy.

Related codes / Codes liés

ARC-141MCC stick detected(E:%d)ARC-142MCC monitor abnormal(E:%d)ARC-144PS internal com-error(E:%d)ARC-145PS internal abnormal com-data(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 →