LogrobotLM

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FANUC Alarm FRCE-520 — AIT all switch OFF (F:%d^1)

FANUC FRCE-520 (“AIT all switch OFF (F:%d^1)”): Force control is disabled in all directions during the impedance parameters auto tuning. First check: If the prepared default data for the application is used, this error should not occur.

Updated 2026-08-29 · LogrobotLM reference

Description

Force control is disabled in all directions during the impedance parameters auto tuning.

Remedy · Remède

If the prepared default data for the application is used, this error should not occur. Try to copy the default data corresponding to the application into the schedule data.

Frequently asked · Questions fréquentes

What does FANUC alarm FRCE-520 mean?
FANUC FRCE-520 (“AIT all switch OFF (F:%d^1)”): Force control is disabled in all directions during the impedance parameters auto tuning.
How do you troubleshoot FANUC alarm FRCE-520?
If the prepared default data for the application is used, this error should not occur. Try to copy the default data corresponding to the application into the schedule data.

Related codes / Codes liés

FRCE-518AIT P direction unstable (F:%d^1)FRCE-519AIT R direction unstable (F:%d^1)FRCE-521AIT X direction fail (F:%d^1)FRCE-522AIT Y direction fail (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 →