ABB Error 0076 — I/O CPU fault
WarningABB 0076 (“I/O CPU fault”): Hardware error during the self-tests on serial channel B of the I/O computer. Likely part: I/O CPU.
Updated 2026-10-22 · LogrobotLM reference
What it means
Hardware error during the self-tests on serial channel B of the I/O computer.
What to check
- Used for in-production checks of the robot computer board.
- Note: Legacy factory self-test fault.
Part to check / replace
ABB 0076 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 →