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ABB Error 0744 — Drive unit / drive fault

Error

ABB 0744 (“Drive unit / drive fault”): Excessive offset error detected on one of the channels of the physical drives. Likely part: Drive unit / drive.

Updated 2026-10-22 · LogrobotLM reference

What it means

Excessive offset error detected on one of the channels of the physical drives.

What to check

  • A Replace the computer board.
  • B Replace the faulty axis drive.
  • Note: Axis drive fault.

Part to check / replace

ABB 0744 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

508Floppy disk drive fault509Axis / resolver fault510CPU / PROM fault

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 →