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FANUC Alarm JOG-018 — Not at R-Theta robot posture

FANUC JOG-018 (“Not at R-Theta robot posture”): Robot is not at R-Theta posture position First check: Jog J4 to reach R-Theta posture (0, +180, -180).

Updated 2026-09-17 · LogrobotLM reference

Description

Robot is not at R-Theta posture position

Remedy

Jog J4 to reach R-Theta posture (0, +180, -180).

Related codes

JOG-016SERVO Softfloat time outJOG-017WARN At R-Theta robot postureJOG-020WARN Can not PATH JOG nowJOG-021WARN Multi key is pressed

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 →