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ABB Error 33105 — Power supply resolver fault

Error

ABB 33105 (“Power supply resolver fault”): Failure of the excitation power supply of the manipulator resolvers. Likely part: Alimentation Résolveurs (power supply resolver).

Updated 2026-10-22 · LogrobotLM reference

What it means

Failure of the excitation power supply of the manipulator resolvers.

What to check

  • Check the resolver power supply (generated by the cabinet axis control board or SMB).
  • Note: Will become resolver supply voltage faults on IRC5.

Part to check / replace

ABB 33105 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

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 →