ABB Error 34270 — AC input not symmetric warning
ErrorABB 34270 (“AC input not symmetric warning”): “AC input not symmetric warning” is an ABB IRC5 event of major severity.
Updated 2026-10-23 · LogrobotLM reference
What it means
“AC input not symmetric warning” 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 →