Torch Trigger Inactive (Faulty Torch/Control Line)

Faulty Welding Torch or Control Line

Fronius · TPS i Welding Machine

What does Torch Trigger Inactive (Faulty Torch/Control Line) mean?

With the mains switch on and indicators lit, the torch trigger fails to initiate welding. This suggests a malfunction within the welding torch itself or a fault in its dedicated control line.

Common Causes

  • Welding torch is faulty.
  • Welding torch control line is faulty.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Replace the welding torch to address internal faults or control line issues.

Browse all codes in this manual (34)
Verified technical data. Last updated: March 2026

Related Faults

Source: Fronius TPS i Welding Machine