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FANUC Alarm FXTL-159 — Program has no step.

FANUC FXTL-159 (“Program has no step.”): The program has no motion step. First check: Check the model file offline and copy the file to the controller.

Updated 2026-09-17 · LogrobotLM reference

Description

The program has no motion step.

Remedy

Check the model file offline and copy the file to the controller. Then do a data verify.

Related codes

FXTL-157Cannot copy file to same devFXTL-158No unit in the Tray.FXTL-160Zero mastering required.FXTL-161Cannot read/write shim log.

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 →