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FANUC Alarm PNT1-010 — Invalid tutone … received

Manufacturer wording — Invalid tutone %s received
The manual prints placeholders; your controller fills them in with the real group, axis or number.

FANUC PNT1-010 (“Invalid tutone … received”): An invalid tutone option was received from the PLC. First check: The PLC must initialize the robot with a valid tutone option.

Updated 2026-09-17 · LogrobotLM reference

Description

An invalid tutone option was received from the PLC.

Remedy

The PLC must initialize the robot with a valid tutone option.

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 →