ABB Error 39604 — Power Unit reports communication error
ErrorABB 39604 (“Power Unit reports communication error”): “Power Unit reports communication error” is an ABB IRC5 event of major severity.
Updated 2026-10-23 · LogrobotLM reference
What it means
“Power Unit reports communication error” 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 →