FANUC Alarm MOTN-240 — STOP J4 is not zero
FANUC MOTN-240 (“STOP J4 is not zero”): Given position's J4 angle is not zero. First check: Confirm position data
Updated 2026-08-29 · LogrobotLM reference
Description
Given position's J4 angle is not zero.
Remedy · Remède
Confirm position data
Frequently asked · Questions fréquentes
- What does FANUC alarm MOTN-240 mean?
- FANUC MOTN-240 (“STOP J4 is not zero”): Given position's J4 angle is not zero.
- How do you troubleshoot FANUC alarm MOTN-240?
- Confirm position data
Related codes / Codes liés
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. · Informations indicatives issues du terrain — le manuel du constructeur et ses procédures de sécurité font foi. Ne shuntez jamais un organe de sécurité ; consignez (LOTO) avant toute intervention physique. How this reference is built →