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ABB Error 0743 — AD converter fault

Error

ABB 0743 (“AD converter fault”): Out-of-limit offset error of the current AD converter. Likely part: AD converter.

Updated 2026-10-22 · LogrobotLM reference

What it means

Out-of-limit offset error of the current AD converter.

What to check

  • Replace the robot computer board.
  • Note: Similar to 0742.

Part to check / replace

ABB 0743 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 →