ABB Error 0108 — I/O computer fault
ErrorABB 0108 (“I/O computer fault”): Processor hardware error while decoding an unauthorized command (illegal instruction). Likely part: I/O computer (I/O computer).
Updated 2026-10-22 · LogrobotLM reference
What it means
Processor hardware error while decoding an unauthorized command (illegal instruction).
What to check
- Replace the robot computer board.
- Note: Indicates a physically failed microprocessor.
Part to check / replace
ABB 0108 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 →