FANUC Alarm IBSS-307 — Bus error occured
Manufacturer wording — %s:Bus error occured
The manual prints placeholders; your controller fills them in with the real group, axis or number.
FANUC IBSS-307 (“Bus error occured”): Please see manual IBS SYS FW G4 UM E from Phoenix Contact
Updated 2026-09-17 · LogrobotLM reference
Description
Please see manual IBS SYS FW G4 UM E from Phoenix Contact
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 →