FANUC Alarm PNT1-473 — Unknown mnenomic instruction

Manufacturer wording — %sUnknown mnenomic instruction
The manual prints placeholders; your controller fills them in with the real group, axis or number.

FANUC PNT1-473 (“Unknown mnenomic instruction”): An unknown instruction was encountered during program execution. First check: Delete the offending instruction.

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 →