LogrobotLM

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FANUC Alarm GUID-228 — WARN File open error: …

Manufacturer wording — WARN File open error: %s
The manual prints placeholders; your controller fills them in with the real group, axis or number.

FANUC GUID-228 (“WARN File open error: …”): File open error: … Cannot open output file. First check: Check the path and file name.

Updated 2026-09-17 · LogrobotLM reference

Description

File open error: … Cannot open output file.

Remedy

Check the path and file name.

Related codes

GUID-226WARN Dictionary is not loaded.GUID-227WARN No saved reference data.GUID-229WARN No recorded Utool.GUID-230WARN Not enough TPE stack.

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 →