FANUC Alarm BELL-074 — PAUS MCC alarm
FANUC BELL-074 (“PAUS MCC alarm”): The servo amplifier magnetic contactor (MCC) is welded closed. First check: Refer to troubleshooting section in the SYSTEM R-J Controller Series Electrical Connection and Maintenance Manual.
Updated 2026-09-17 · LogrobotLM reference
Description
The servo amplifier magnetic contactor (MCC) is welded closed.
Remedy
Refer to troubleshooting section in the SYSTEM R-J Controller Series Electrical Connection and Maintenance Manual.
Related codes
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. How this reference is built →