FANUC Alarm JOG-027 — WARN Reverse direction from J4=0

FANUC JOG-027 (“WARN Reverse direction from J4=0”): This direction is reverse direction from J4 = 0. First check: Press opposite jog key.

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 →