FANUC Alarm IBSS-013 — STOP Master PCB abnormal

Manufacturer wording — STOP Master PCB abnormal(%d)
The manual prints placeholders; your controller fills them in with the real group, axis or number.

FANUC IBSS-013 (“STOP Master PCB abnormal”): Slave baoard is defective. First check: Please exchange Slave board

Updated 2026-09-17 · LogrobotLM reference

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 →