ABB Error 90636 — Signal value has already been set

ABB 90636 (“Signal value has already been set”): “Signal value has already been set” 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 →