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FANUC Alarm SRVO-215 — SERVO Fuse blown (Aux axis)

Error
Hardware
motor brakes
Controllers
R-J3iB / R-30iA
FANUC class
SERVO
Hardware family
FANUC brake, fuse, robot signal and position error alarms

FANUC SRVO-215 (“SERVO Fuse blown (Aux axis)”): Total current of is over the limit. First check: Change program speed to be slow

Updated 2026-10-22 · LogrobotLM reference

Description

Total current of is over the limit. Be robot motion is too aggressive

Remedy

Change program speed to be slow

Field diagnosis

The brake unit fuse has blown, most likely because of a faulty brake cable.

What to check

  • Replace the suspect brake cable BEFORE the fuse, otherwise it will blow again.
  • Note: R-J3iB/R-30iA generation with a separate brake unit.

Related codes

SRVO-008SERVO Brake fuse blownSRVO-018SERVO Brake abnormalSRVO-213SERVO Fuse blown (PanelPCB)SRVO-214SERVO Fuse blown (Amp)SRVO-216SERVO OVC(total)SRVO-218Ext.E-stop/ServoDisconnect

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. How this reference is built →