LogrobotLM

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FANUC Alarm FRCE-326 — Illegal F/S range (F:%d^1)

FANUC FRCE-326 (“Illegal F/S range (F:%d^1)”): Bad values for the system variables $CCS_GRP.$RANGE_F[] and/or $CCS_GRP.$RANGE_T[]. First check: Default values are: $CCS_GRP.$RANGE_F[1],[2],[3] = 40 $CCS_GRP[1].$RANGE_T[1],[2],[3] = 400 Set the above values, then turn the controller OFF, then ON again.

Updated 2026-08-29 · LogrobotLM reference

Description

Bad values for the system variables $CCS_GRP.$RANGE_F[] and/or $CCS_GRP.$RANGE_T[].

Remedy · Remède

Default values are: $CCS_GRP.$RANGE_F[1],[2],[3] = 40 $CCS_GRP[1].$RANGE_T[1],[2],[3] = 400 Set the above values, then turn the controller OFF, then ON again.

Frequently asked · Questions fréquentes

What does FANUC alarm FRCE-326 mean?
FANUC FRCE-326 (“Illegal F/S range (F:%d^1)”): Bad values for the system variables $CCS_GRP.$RANGE_F[] and/or $CCS_GRP.$RANGE_T[].
How do you troubleshoot FANUC alarm FRCE-326?
Default values are: $CCS_GRP.$RANGE_F[1],[2],[3] = 40 $CCS_GRP[1].$RANGE_T[1],[2],[3] = 400 Set the above values, then turn the controller OFF, then ON again.

Related codes / Codes liés

FRCE-324Illegal joint singular (F:%d^1)FRCE-325Illegal F/S coord. system (F:%d^1)FRCE-327Illegal F/C motion group (F:%d^1)FRCE-328Illegal F/C motion group order (F:%d^1)

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 →