ABB Error 37201 — Power fault: 24V Fail-safe supply

ABB 37201 (“Power fault: 24V Fail-safe supply”): “Power fault: 24V Fail-safe supply” 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 →