ABB Error 37204 — Power fault: 24V I/O supply

ABB 37204 (“Power fault: 24V I/O supply”): “Power fault: 24V I/O 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 →