ABB Error 20620 — The system has entered an internal test mode
ErrorABB 20620 (“The system has entered an internal test mode”): “The system has entered an internal test mode” is an ABB IRC5 event of major severity.
Updated 2026-10-23 · LogrobotLM reference
What it means
“The system has entered an internal test mode” 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 →