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FANUC Alarm MOTN-105 — STOP Send TRG pkt fail

Manufacturer wording — STOP Send TRG pkt fail (G:%d^2)
The manual prints placeholders; your controller fills them in with the real group, axis or number.

FANUC MOTN-105 (“STOP Send TRG pkt fail”): Internal interpolator error: error in sending TRG packet First check: Perform a cold start: 1.

Updated 2026-09-17 · LogrobotLM reference

Description

Internal interpolator error: error in sending TRG packet

Remedy

Perform a cold start: 1. Turn off the robot. 2. On the teach pendant, press and hold the SHIFT and RESET keys. 3. While still pressing the SHIFT and RESET keys, turn on the robot. If the error is not cleared, document the events that led to the error and call your FANUC Robotics technical representative.

Related codes

MOTN-103STOP Send ENB pkt failMOTN-104STOP Send DSB pkt failMOTN-106STOP Process motion doneMOTN-107STOP Bad filter type

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 →