FANUC Alarm PNT2-133 — Chain 2 (0v) abnormal

FANUC PNT2-133 (“Chain 2 (0v) abnormal”): A single chain 2 (0V) failure occurred. First check: Repair the circuit of the chain 2 (0V) on hardware Set CHAIN FAILURE detection to TRUE on SYSTEM/CONFIG screen.

Updated 2026-09-17 · LogrobotLM reference

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 →