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FANUC Alarm MEMO-029 — WARN The line data can’t be changed

FANUC MEMO-029 (“WARN The line data can’t be changed”): The specified line data can’t be changed. First check: Specify another line number or the data of same size.

Updated 2026-09-17 · LogrobotLM reference

Description

The specified line data can’t be changed. The size of modified data is different from that of original data when replacing it.

Remedy

Specify another line number or the data of same size.

Related codes

MEMO-026WARN Line data is fullMEMO-027WARN Specified line does not existMEMO-032WARN Specified program is in useMEMO-034WARN The item can’t be changed

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 →