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FANUC Alarm PALL-171 — System still in fault state

FANUC PALL-171 (“System still in fault state”): An error condition exists such that the robot cannot be reset. First check: Fix the error condition, and press RESET.

Updated 2026-09-17 · LogrobotLM reference

Description

An error condition exists such that the robot cannot be reset.

Remedy

Fix the error condition, and press RESET.

Related codes

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 →