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 →

FANUC Alarm FRCE-029 — Internal error occurred

Manufacturer wording — Internal error(%d) occurred
The manual prints placeholders; your controller fills them in with the real group, axis or number.

FANUC FRCE-029 (“Internal error occurred”): Software internal error. First check: Document the events that led to the error, and contact your FANUC or FANUC or FANUC Robotics representative and report the error status.

Updated 2026-09-17 · LogrobotLM reference

Description

Software internal error.

Remedy

Document the events that led to the error, and contact your FANUC or FANUC or FANUC Robotics representative and report the error status.

Related codes

FRCE-027Another tuning already enabledFRCE-028Customize tuning little DOFFRCE-050ForceSensor can't be connectedFRCE-051ForceSensor can't be disconnected

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 →