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FANUC Alarm JOG-025 — WARN J4 is not zero

FANUC JOG-025 (“WARN J4 is not zero”): J4 angle is not zero. First check: Move J4 to zero position.

Updated 2026-09-17 · LogrobotLM reference

Description

J4 angle is not zero.

Remedy

Move J4 to zero position.

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 →