ABB Error 31912 — Profibus-DP master/slave board failure

ABB 31912 (“Profibus-DP master/slave board failure”): “Profibus-DP master/slave board failure” is an ABB IRC5 event of major severity.

Updated 2026-10-23 · LogrobotLM reference

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 →