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ABB Error 38210 — SMB / Communication link fault

Error

ABB 38210 (“SMB / Communication link fault”): Serial Measurement Board communication transmission fault. Likely part: SMB / Liaison de communication (SMB / Liaison de communication).

Updated 2026-10-22 · LogrobotLM reference

What it means

Serial Measurement Board communication transmission fault.

What to check

  • Restart the controller; check the SMB communication cable and connectors; replace the SMB if necessary.
  • Note: SMB fault family; to be distinguished from 38101/38103 depending on where the break is detected.

Part to check / replace

ABB 38210 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 →