FANUC Alarm IBSS-390 — Controller Board Error

Manufacturer wording — %s:Controller Board Error
The manual prints placeholders; your controller fills them in with the real group, axis or number.

FANUC IBSS-390 (“Controller Board Error”): Please see manual IBS SYS FW G4 UM E from Phoenix Contact

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 →