LogrobotLM

LogrobotLM — AI fault diagnosis for ABB · KUKA · FANUC robots. It reads your robot backup in your browser (never uploaded) and pinpoints the fault. Try it free →

ABB Error 90314 — Computer axis / SIB fault

Error

ABB 90314 (“Computer axis / SIB fault”): Physical break in the cabinet Enable 2 safety chain (drive units 1). Likely part: Calculateur d'axes / SIB (computer axis / SIB) +1 more.

Updated 2026-10-22 · LogrobotLM reference

What it means

Physical break in the cabinet Enable 2 safety chain (drive units 1).

What to check

  • Check the power supply of the MCB and of the SIB board.
  • Inspect the cabinet LED indicators.
  • Note: Power safety break, equivalent to the S2/S3-era sub-code 0114.

Part to check / replace

ABB 90314 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

90200Limit switch opened by SC90201Limit switch open90202Emergency stop open

Same hardware involved

32563DSQC 66832569DSQC 66832575DSQC 66832576DSQC 668

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 →