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 2026-08-29 · 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 · Remède
Refer to troubleshooting section in the SYSTEM R-J Controller Series Electrical Connection and Maintenance Manual.
Frequently asked · Questions fréquentes
- What does FANUC alarm BELL-078 mean?
- 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.
- How do you troubleshoot FANUC alarm BELL-078?
- Refer to troubleshooting section in the SYSTEM R-J Controller Series Electrical Connection and Maintenance Manual.
Related codes / Codes liés
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 →