ABB Error 39530 — Contactor Interface Board fault
ErrorABB 39530 (“Contactor Interface Board fault”): Loss of cabinet serial communication with the power contactor interface board. Likely part: Contactor Interface Board (Contactor Interface Board).
Updated 2026-10-22 · LogrobotLM reference
What it means
Loss of cabinet serial communication with the power contactor interface board.
What to check
- Check the cabinet internal serial communication ribbon cable.
- Check its power supply.
- Note: Power signal break, similar to the legacy enabling chain faults.
Part to check / replace
ABB 39530 points to the hardware below — start here before ordering.
Tap a part for every code that points to it — and verify the exact variant for your controller before ordering.
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 →