FANUC Alarm THSR-027 — STOP Preplan is not allowed
FANUC THSR-027 (“STOP Preplan is not allowed”): No preplan motion inside search start. First check: It is normal to issue an stop error when preplan is on within search start
Updated 2026-08-29 · LogrobotLM reference
Description
No preplan motion inside search start.
Remedy · Remède
It is normal to issue an stop error when preplan is on within search start
Frequently asked · Questions fréquentes
- What does FANUC alarm THSR-027 mean?
- FANUC THSR-027 (“STOP Preplan is not allowed”): No preplan motion inside search start.
- How do you troubleshoot FANUC alarm THSR-027?
- It is normal to issue an stop error when preplan is on within search start
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 →