LogrobotLM

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FANUC Alarm SRVO-107 — SERVO Ext brake abnormal(Rbt:%d)

FANUC SRVO-107 (“SERVO Ext brake abnormal(Rbt:%d)”): The FET current for brake of an extended axis (brake number 2 or greater) exceeded the specification. First check: Check the brake for zero or abnormally low impedance.

Updated 2026-08-29 · LogrobotLM reference

Description

The FET current for brake of an extended axis (brake number 2 or greater) exceeded the specification.

Remedy · Remède

Check the brake for zero or abnormally low impedance. Then check the brake cable. Then check 200VAC. Then check the servo amplifier or emergency stop control PCB if brake ports are used.

Frequently asked · Questions fréquentes

What does FANUC alarm SRVO-107 mean?
FANUC SRVO-107 (“SERVO Ext brake abnormal(Rbt:%d)”): The FET current for brake of an extended axis (brake number 2 or greater) exceeded the specification.
How do you troubleshoot FANUC alarm SRVO-107?
Check the brake for zero or abnormally low impedance. Then check the brake cable. Then check 200VAC. Then check the servo amplifier or emergency stop control PCB if brake ports are used.

Related codes / Codes liés

SRVO-105SERVO Door open or E.StopSRVO-106SERVO Door open/E.Stop(Robot:%d)SRVO-108SERVO Press RESET to enable robotSRVO-111SERVO Softfloat time out(G:%d)

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 →