ABB Error 111853 — Default I/O Unit is Not Specified
ErrorABB 111853 (“Default I/O Unit is Not Specified”): “Default I/O Unit is Not Specified” is an ABB IRC5 event of major severity.
Updated 2026-10-23 · LogrobotLM reference
What it means
“Default I/O Unit is Not Specified” 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 →