FANUC Alarm PALL-123 — Data modification disallowed
FANUC PALL-123 (“Data modification disallowed”): The robot is in production. First check: Wait until production is aborted and then make the changes.
Updated 2026-09-17 · LogrobotLM reference
Description
The robot is in production. SETUP data cannot be changed during production.
Remedy
Wait until production is aborted and then make the changes.
Related codes
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 →