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ABB Error 38102 — SMB / Measurement System fault

Error

ABB 38102 (“SMB / Measurement System fault”): The measurement system detects a hardware or software failure on a measurement link; possible loss of calibration information. Likely part: SMB / Measurement System (SMB / Measurement System).

Updated 2026-10-22 · LogrobotLM reference

What it means

The measurement system detects a hardware or software failure on a measurement link; possible loss of calibration information.

What to check

  • Check the SMB, wiring and Axis Computer, then look for other simultaneous hardware errors.
  • Replace the faulty item after isolating it.
  • Note: Generic measurement system error; to be linked with 38101/38103 and 3820x.

Part to check / replace

ABB 38102 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

20032Revolution counter not updated20033Axis not synchronized38034Axis Computer / SMB / Serial measurement cable 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 →