FANUC Alarm SRVO-034 — WARN Ref pos not set

Manufacturer wording — WARN Ref pos not set (Group:%d)
The manual prints placeholders; your controller fills them in with the real group, axis or number.

FANUC SRVO-034 (“WARN Ref pos not set”): An attempt was made to perform simple mastering, but a required reference point has not yet been set First check: Set a reference point for simple mastering from the calibration screen.

Updated 2026-09-17 · LogrobotLM reference

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 →