Torch Overheating (Undersized Torch)

Inadequately Dimensioned Welding Torch

Fronius · TPS i Welding Machine

What does Torch Overheating (Undersized Torch) mean?

The welding torch becomes excessively hot during operation, indicating that its design or capacity is insufficient for the welding current and duration, or that the duty cycle is being exceeded.

Common Causes

  • Welding torch is inadequately dimensioned for the application.
  • Duty cycle and loading limits of the torch are not being observed.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Verify the welding torch specifications against the application's current and duty cycle requirements.

  2. 2

    Ensure operation remains within the specified duty cycle and loading limits of the torch.

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Verified technical data. Last updated: March 2026

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Source: Fronius TPS i Welding Machine