ABB Error 512 — I/O board fault
ErrorABB 512 (“I/O board fault”): A Wrong S1 jumper address code. Likely part: I/O board (I/O board).
Updated 2026-10-22 · LogrobotLM reference
What it means
A Wrong S1 jumper address code. B Incorrect slot. C Faulty I/O board.
What to check
- Set the correct address code.
- Insert the board in the correct slot.
- Replace the board.
- Note: Will be replaced by fieldbus-connected I/O boards (71000/71001) on S4/IRC5.
Part to check / replace
ABB 512 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
Same hardware involved
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 →