No Welding Current (Overtemperature - Duty Cycle)

Overload / Duty Cycle Exceeded

Fronius · TPS i Welding Machine

What does No Welding Current (Overtemperature - Duty Cycle) mean?

The welding machine is active and displaying an overtemperature condition but produces no welding current. This occurs when the device has been operated beyond its specified duty cycle, leading to internal heating.

Common Causes

  • Welding machine has been overloaded during operation.
  • The duty cycle for the specific welding current and ambient temperature has been exceeded.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Review the welding machine's nameplate and technical data for its rated duty cycle at the operating temperature.

  2. 2

    Reduce the welding current or allow for longer cooling periods between welds to stay within the specified duty cycle.

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

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Source: Fronius TPS i Welding Machine