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FANUC Alarm SRVO-056 — SERVO FSSB com error 2 (G:%d A:%d)

FANUC SRVO-056 (“SERVO FSSB com error 2 (G:%d A:%d)”): An FSSB communication error from SLAVE to SRVO occurred. First check: Check the FSSB hardware connection.

Updated 2026-08-29 · LogrobotLM reference

Description

An FSSB communication error from SLAVE to SRVO occurred.

Remedy · Remède

Check the FSSB hardware connection.

Frequently asked · Questions fréquentes

What does FANUC alarm SRVO-056 mean?
FANUC SRVO-056 (“SERVO FSSB com error 2 (G:%d A:%d)”): An FSSB communication error from SLAVE to SRVO occurred.
How do you troubleshoot FANUC alarm SRVO-056?
Check the FSSB hardware connection.

Related codes / Codes liés

SRVO-054SYSTEM DSM memory error (DSM:%d)SRVO-055SERVO FSSB com error 1 (G:%d A:%d)SRVO-057SERVO FSSB disconnect (G:%d A:%d)SRVO-058SYSTEM FSSB 1 init error

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 →