FANUC Alarm SRVO-208 — SERVO Extended axis brake abnormal
FANUC SRVO-208 (“SERVO Extended axis brake abnormal”): The FET current for the 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 the 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 servo amplifier or emergency stop control PCB if brake ports are used. Refer to the maintenance manual for details.
Frequently asked · Questions fréquentes
- What does FANUC alarm SRVO-208 mean?
- FANUC SRVO-208 (“SERVO Extended axis brake abnormal”): The FET current for the brake of an extended axis (brake number 2 or greater) exceeded the specification.
- How do you troubleshoot FANUC alarm SRVO-208?
- Check the brake for zero or abnormally low impedance. Then check the brake cable. Then check 200VAC. Then check servo amplifier or emergency stop control PCB if brake ports are used. Refer to the maintenance manual for details.
Related codes / Codes liés
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 →