FANUC Alarm BELL-078 — PAUS Low voltage alarm
FANUC BELL-078 (“PAUS Low voltage alarm”): The DC voltage on the main power circuit of the servo amplifier is lower than the specification even though MCC is on. 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 DC voltage on the main power circuit of the servo amplifier is lower than the specification even though MCC is on.
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 →