Torch Trigger Inactive (Control Plug)

Control Plug Unplugged

Fronius · TPS i Welding Machine

What does Torch Trigger Inactive (Control Plug) mean?

When the welding machine is on and its indicators are lit, pressing the torch trigger produces no action. This issue is typically caused by the control plug not being connected to its receptacle.

Common Causes

  • The control plug is not plugged in to the welding machine.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Plug in the control plug to the appropriate connection point on the welding machine.

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Verified technical data. Last updated: March 2026

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Source: Fronius TPS i Welding Machine