ABB Error 71422 — High load on the DeviceNet I/O bus

ABB 71422 (“High load on the DeviceNet I/O bus”): “High load on the DeviceNet I/O bus” 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 →