FANUC Alarm GUID-400 — WARN Cursor not on ARC START line
FANUC GUID-400 (“WARN Cursor not on ARC START line”): The simple Teach execution function key has been pressed in teach pendant editor screen before moving cursor to ARC start line. First check: Move the cursor to the ARC start line, then press the Simple Teach execution function key.
Updated 2026-08-29 · LogrobotLM reference
Description
The simple Teach execution function key has been pressed in teach pendant editor screen before moving cursor to ARC start line. Without knowing which ARC segment needs to be converted/searched, Simple Teach cannot be run.
Remedy · Remède
Move the cursor to the ARC start line, then press the Simple Teach execution function key.
Frequently asked · Questions fréquentes
- What does FANUC alarm GUID-400 mean?
- FANUC GUID-400 (“WARN Cursor not on ARC START line”): The simple Teach execution function key has been pressed in teach pendant editor screen before moving cursor to ARC start line. Without knowing which ARC segment needs to be converted/searched, Simple Teach cannot be run.
- How do you troubleshoot FANUC alarm GUID-400?
- Move the cursor to the ARC start line, then press the Simple Teach execution function key.
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 →