FANUC Alarm SRVO-387 — Softfloat impossible
Manufacturer wording — Softfloat impossible(G:%d)
The manual prints placeholders; your controller fills them in with the real group, axis or number.
FANUC SRVO-387 (“Softfloat impossible”): The position or schedule is not proper. First check: Use soft float in the proper position and schedule
Updated 2026-09-17 · LogrobotLM reference
Description
The position or schedule is not proper.
Remedy
Use soft float in the proper position and schedule
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 →