LogrobotLM

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FANUC Alarm SVGN-126 — Servo parameters exceed max gun torque.

FANUC SVGN-126 (“Servo parameters exceed max gun torque.”): Overtorque protection is enabled, but one or more of the parameters responsible for limiting torque exceeded the max gun torque. First check: Disable, then re-enable overtorque protection, in order to re-write servo parameters.

Updated 2026-09-17 · LogrobotLM reference

Description

Overtorque protection is enabled, but one or more of the parameters responsible for limiting torque exceeded the max gun torque.

Remedy

Disable, then re-enable overtorque protection, in order to re-write servo parameters. Alternatively, disable overtorque protection OR enable machine lock on the servogun group to disable this alarm.

Related codes

SVGN-124Max gun torque must be > floor.SVGN-125Max gun torque must be < ceil.SVGN-127DSP max gun torque update timeout.SVGN-128Invalid thickness value specified.

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 →