LogrobotLM

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FANUC Alarm SVGN-153 — Invalid increase signal(Robot).

FANUC SVGN-153 (“Invalid increase signal(Robot).”): The Digital Output assigned to notify of increased error on the Robot Tip is invalid. First check: Check the present value of $sggun#.$setup.$rbtincioidx (on the system variable screen).

Updated 2026-09-17 · LogrobotLM reference

Description

The Digital Output assigned to notify of increased error on the Robot Tip is invalid.

Remedy

Check the present value of $sggun#.$setup.$rbtincioidx (on the system variable screen). Change this value to the number of a DO that is configured and unused. Check the Digital Output list (I/O-Type-DIGITAL-OUTPUTS) to find an available DO point to use.

Related codes

SVGN-151Cannot add file to backup/restore list.SVGN-152Invalid increase signal(Gun).SVGN-160Invalid calibration point: bad torque.SVGN-161Invalid calibration point: bad speed.

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 →