FANUC Alarm SRVO-214 — SERVO Fuse blown (Amp)
Error- Hardware
- fuses
- Controllers
- R-J3iB / R-30iA / R-30iB
- FANUC class
- SERVO
- Hardware family
- FANUC brake, fuse, robot signal and position error alarms
FANUC SRVO-214 (“SERVO Fuse blown (Amp)”): The fuse on Aux axis amplifier is blown First check: Replace fuse on Aux axis amplifier Likely part: Servo amplifier (Servo amplifier) +1 more.
Updated 2026-10-22 · LogrobotLM reference
Description
The fuse on Aux axis amplifier is blown
Field diagnosis
A servo amplifier fuse (FS2 or FS3 on R-30iB) has blown.
What to check
- Identify the cause (short circuit on an output supplied by the amplifier), replace the fuse; if the fuse blows again, replace the amplifier.
- Note: The amplifier fuses also supply auxiliary circuits: look on the brake and encoder side.
Part to check / replace
FANUC SRVO-214 points to the hardware below — start here before ordering.
Tap a part for every code that points to it — and verify the exact variant for your controller before ordering.
Related codes
Same hardware involved
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 →