FANUC Alarm PNT2-271 — Extend Hard Stop Error
FANUC PNT2-271 (“Extend Hard Stop Error”): An attempt was made to Extend the hard stop to its normal state, but the operation failed. First check: Determine if the hard stop physically extended.
Updated 2026-08-29 · LogrobotLM reference
Description
An attempt was made to Extend the hard stop to its normal state, but the operation failed.
Remedy · Remède
Determine if the hard stop physically extended. If so, check the functionality of the sensors. Ensure that the I/O is mapped correctly. If the hard stop did not extend, determine if the hard stop received the EXTEND output signal.
Frequently asked · Questions fréquentes
- What does FANUC alarm PNT2-271 mean?
- FANUC PNT2-271 (“Extend Hard Stop Error”): An attempt was made to Extend the hard stop to its normal state, but the operation failed.
- How do you troubleshoot FANUC alarm PNT2-271?
- Determine if the hard stop physically extended. If so, check the functionality of the sensors. Ensure that the I/O is mapped correctly. If the hard stop did not extend, determine if the hard stop received the EXTEND output signal.
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 →