ABB Error 71550 — Overlapping I/O signals with differing default values

ABB 71550 (“Overlapping I/O signals with differing default values”): “Overlapping I/O signals with differing default values” is an ABB IRC5 event of major severity.

Updated 2026-10-23 · 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 →