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FANUC Alarm MEMO-154 — Parent program still exists

FANUC MEMO-154 (“Parent program still exists”): When the parent program exists, the daughter program cannot be deleted. First check: Delete the parent program before deleting the daughter program.

Updated 2026-08-29 · LogrobotLM reference

Description

When the parent program exists, the daughter program cannot be deleted.

Remedy · Remède

Delete the parent program before deleting the daughter program.

Frequently asked · Questions fréquentes

What does FANUC alarm MEMO-154 mean?
FANUC MEMO-154 (“Parent program still exists”): When the parent program exists, the daughter program cannot be deleted.
How do you troubleshoot FANUC alarm MEMO-154?
Delete the parent program before deleting the daughter program.

Related codes / Codes liés

MEMO-152WARN Program %s is in useMEMO-153%s is not deletedMEMO-155Too many positionsMEMO-156Renumber program failed

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. · Informations indicatives issues du terrain — le manuel du constructeur et ses procédures de sécurité font foi. Ne shuntez jamais un organe de sécurité ; consignez (LOTO) avant toute intervention physique. How this reference is built →