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FANUC Alarm SRVO-381 — OPSFTY22 status abnormal

FANUC SRVO-381 (“OPSFTY22 status abnormal”): A chain alarm was detected with the OPSFTY signal. First check: 1. Check whether the circuitry connected to the dual input signal (OPSFTY) is faulty. Likely part: Panel board (Operator panel board).

Updated 2026-08-29 · LogrobotLM reference

Description

A chain alarm was detected with the OPSFTY signal.

Remedy · Remède

1. Check whether the circuitry connected to the dual input signal (OPSFTY) is faulty. 2. Check whether the timing of the dual input signal (OPSFTY) satisfies the timing specification. 3. Replace the panel board.

Part to check / replace · Pièce à contrôler / remplacer

FANUC SRVO-381 points to the hardware below — start here before ordering. · SRVO-381 met en cause l'organe ci-dessous : commencez par là.

Tap a part for every code that points to it — and verify the exact variant for your controller before ordering. · Touchez une pièce pour tous les codes qui la citent ; vérifiez la variante exacte avant commande.

Frequently asked · Questions fréquentes

What does FANUC alarm SRVO-381 mean?
FANUC SRVO-381 (“OPSFTY22 status abnormal”): A chain alarm was detected with the OPSFTY signal.
How do you troubleshoot FANUC alarm SRVO-381?
1. Check whether the circuitry connected to the dual input signal (OPSFTY) is faulty. 2. Check whether the timing of the dual input signal (OPSFTY) satisfies the timing specification. 3. Replace the panel board.
Which part is involved in FANUC SRVO-381?
SRVO-381 points to Panel board (Operator panel board). Confirm the real cause against the robot backup before replacing a part.

Related codes / Codes liés

SRVO-379OPSFTY12 status abnormalSRVO-380OPSFTY21 status abnormalSRVO-382OPSFTY31 status abnormalSRVO-383OPSFTY32 status abnormal

Same hardware involved / Même matériel en cause

SRVO-004Panel boardSRVO-021Panel boardSRVO-335Panel boardSRVO-348Panel board

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 →