LogrobotLM

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FANUC Alarm TG-017 — Invalid Schedule Number …

Manufacturer wording — Invalid Schedule Number %d^2
The manual prints placeholders; your controller fills them in with the real group, axis or number.

FANUC TG-017 (“Invalid Schedule Number …”): An internal error occurred during processing of a TP instruction. First check: Obtain a controller backup and easy debug (if available) and contact your FANUC or FANUC Robotics Technical Representative.

Updated 2026-09-17 · LogrobotLM reference

Description

An internal error occurred during processing of a TP instruction.

Remedy

Obtain a controller backup and easy debug (if available) and contact your FANUC or FANUC Robotics Technical Representative.

Related codes

TG-015Trigger OverrunTG-016Bad Time Before in Sch… Ev…TG-018Trigger Buffer is FullTG-019Internal Timing Data Error

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 →