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FANUC Alarm MOTN-103 — STOP Send ENB pkt fail

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

FANUC MOTN-103 (“STOP Send ENB pkt fail”): Internal interpolator error: error in sending ENB packet First check: Perform a cold start: 1.

Updated 2026-09-17 · LogrobotLM reference

Description

Internal interpolator error: error in sending ENB packet

Remedy

Perform a cold start: 1. Turn off the robot. 2. On the teach pendant, press and hold the

Related codes

MOTN-101STOP MIR list is emptyMOTN-102STOP SEG list is emptyMOTN-104STOP Send DSB pkt failMOTN-105STOP Send TRG pkt fail

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 →