ABB Error 39431 — Drive unit software update in progress
ErrorABB 39431 (“Drive unit software update in progress”): “Drive unit software update in progress” is an ABB IRC5 event of major severity.
Updated 2026-10-23 · LogrobotLM reference
What it means
“Drive unit software update in progress” 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 →