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ABB Error 39523 — Unused Axis computer connected

Error

ABB 39523 (“Unused Axis computer connected”): “Unused Axis computer connected” is an ABB IRC5 event of major severity.

Updated 2026-10-23 · LogrobotLM reference

What it means

“Unused Axis computer connected” is an ABB IRC5 event of major severity.

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 →