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 33104 — Axis resolvers fault

Error

ABB 33104 (“Axis resolvers fault”): Hardware failure of the X and Y resolvers on the axis measurement channel (signals below the noise level). Likely part: Axis resolvers (Axis resolvers).

Updated 2026-10-22 · LogrobotLM reference

What it means

Hardware failure of the X and Y resolvers on the axis measurement channel (signals below the noise level).

What to check

  • Check the resolver cable and the axis connections, and replace the SMB measurement board.
  • Note: Will become resolver error 38208 or 38209 on IRC5.

Part to check / replace

ABB 33104 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

31108Serial link RS232 fault31114CPU main fault31115Link console fault

Same hardware involved

38208Axis resolvers

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 →