ABB Error 20589 — Watchdog fault between PIB and MCB
ErrorABB 20589 (“Watchdog fault between PIB and MCB”): “Watchdog fault between PIB and MCB” is an ABB IRC5 event of major severity.
Updated 2026-10-23 · LogrobotLM reference
What it means
“Watchdog fault between PIB and MCB” 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 →