FANUC Alarm SRVO-305 — Unit Change
Manufacturer wording — Unit Change(G%d,%s)
The manual prints placeholders; your controller fills them in with the real group, axis or number.
FANUC SRVO-305 (“Unit Change”): The robot model was changed. First check: Turn off and on the controller power supply.
Updated 2026-09-17 · LogrobotLM reference
Description
The robot model was changed.
Remedy
Turn off and on the controller power supply.
Related codes
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 →