ABB Error 41633 — Can only be used in an UNDO handler

ABB 41633 (“Can only be used in an UNDO handler”): “Can only be used in an UNDO handler” 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 →