ABB Error 31706 — Serial link fault
ErrorABB 31706 (“Serial link fault”): Parity error detected during transmission on the specified serial channel. Likely part: Serial link.
Updated 2026-10-22 · LogrobotLM reference
What it means
Parity error detected during transmission on the specified serial channel.
What to check
- Check the speed/parity configuration.
- Replace the robot control board.
- Note: Equivalent to cabinet axis transmission frame errors.
Part to check / replace
ABB 31706 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 →