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ErrorLib — Industrial Fault Code Library

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Torch Overheating (Inadequate Coolant)

Inadequate Coolant Flow (Water-cooled Systems)

Fronius · TPS i Welding Machine

What does Torch Overheating (Inadequate Coolant) mean?

In water-cooled welding systems, the torch becomes very hot due to an insufficient flow of coolant. This can be caused by low coolant levels, blockages, or contamination in the cooling system.

Common Causes

  • Inadequate coolant flow in water-cooled systems.
  • Low coolant level.
  • Coolant contamination.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Check the coolant level in the cooling unit reservoir.

  2. 2

    Verify the coolant flow rate through the cooling system.

  3. 3

    Inspect the coolant for any signs of contamination.

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

Related Faults

Current limit exceeded!Current Limit ExceededExcessive Spatter (Contamination/Magnetism)Contaminated/Magnetically Charged SystemIrregular Wire Speed (Brake Force)High Braking Force
Source: Fronius TPS i Welding Machine
Open Manual (Page 263)Search more codes in this manual