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FANUC Alarm FXTL-078Cannot shim IDLE move

FANUC FXTL-078 (“Cannot shim IDLE move”): A position that was specfied as IDLE in the model points file cannot be directly shimmed. First check: Shim the previous actual move step and the IDLE position will also get the new position data.

Updated 2026-08-29 · LogrobotLM reference

Description

A position that was specfied as IDLE in the model points file cannot be directly shimmed.

Remedy · Remède

Shim the previous actual move step and the IDLE position will also get the new position data. A move step has the JOINT, LINEAR, or MOVE keyword.

Frequently asked · Questions fréquentes

What does FANUC alarm FXTL-078 mean?
FANUC FXTL-078 (“Cannot shim IDLE move”): A position that was specfied as IDLE in the model points file cannot be directly shimmed.
How do you troubleshoot FANUC alarm FXTL-078?
Shim the previous actual move step and the IDLE position will also get the new position data. A move step has the JOINT, LINEAR, or MOVE keyword.

Related codes / Codes liés

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 →