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ABB Error 38200 — SMB battery (axis) fault

Error

ABB 38200 (“SMB battery (axis) fault”): Loss of the battery backup supply of the SMB measurement board. Likely part: SMB battery (axis) (SMB battery (axis)).

Updated 2026-10-22 · LogrobotLM reference

What it means

Loss of the battery backup supply of the SMB measurement board.

What to check

  • Replace the SMB board battery (robot powered on) so as not to lose the calibration.
  • Note: Equivalent to the S4 cabinet battery failures (31502/31503).

Part to check / replace

ABB 38200 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

Same hardware involved

38213SMB battery (axis)38214SMB battery (axis)38215SMB battery (axis)50441SMB battery (axis)

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 →