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ABB Error 0734 — Axis link fault

Error

ABB 0734 (“Axis link fault”): Drive axis serial data read error, channel R3 SD1. Likely part: Axis link.

Updated 2026-10-22 · LogrobotLM reference

What it means

Drive axis serial data read error, channel R3 SD1.

What to check

  • Used for production checks.
  • Note: Link self-test fault.

Part to check / replace

ABB 0734 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 →