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FANUC Alarm FRCE-021 — Sensor index does not exist

FANUC FRCE-021 (“Sensor index does not exist”): The force sensor which is specified by sensor index does not exist. First check: Please specified correct sensor index.

Updated 2026-08-29 · LogrobotLM reference

Description

The force sensor which is specified by sensor index does not exist.

Remedy · Remède

Please specified correct sensor index.

Frequently asked · Questions fréquentes

What does FANUC alarm FRCE-021 mean?
FANUC FRCE-021 (“Sensor index does not exist”): The force sensor which is specified by sensor index does not exist.
How do you troubleshoot FANUC alarm FRCE-021?
Please specified correct sensor index.

Related codes / Codes liés

FRCE-019Tolerance data is 0 or lessFRCE-020Sensor error excess (S:%d E:%X)FRCE-022Offset value is neededFRCE-023Force sensor error occurred

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 →