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FANUC Alarm SVGN-172 — Can not move gun during interrupt

FANUC SVGN-172 (“Can not move gun during interrupt”): A SPOT[] or PRESS_MOTN[] instruction was performed during an interrupt routine (Ex. First check: Adjust the trigger timing of interrupt routine.

Updated 2026-09-17 · LogrobotLM reference

Description

A SPOT[] or PRESS_MOTN[] instruction was performed during an interrupt routine (Ex. TB,TA,DB,program monitor etc).

Remedy

Adjust the trigger timing of interrupt routine. Also, wait until the interrupt routine completes then run the servo gun instruction

Related codes

SVGN-170Incompatible PRESS_MOTN format.SVGN-171Requested torque > max gun torque.SVGN-173Timeout G… A… … …SVGN-177Thk…mm,CloseLim…mm,StdLim…mm

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 →