102
tu1 | xxx
Note: xxx stands for a temperature value
Cause: Undertemperature on the booster located in the power source
Remedy: Place power source in a heated room and allow it to warm up
tu2 | xxx
Remark: xxx stands for a temperature value
Cause: Undertemperature in the power source secondary circuit
Remedy: Place power source in a heated room and allow to warm up
tu3 | xxx
Remark: xxx stands for a temperature value
Cause: Undertemperature in the wire-feed unit motor
Remedy: Place wire-feed unit in a heated room and allow to warm up
tu4 | xxx
Remark: xxx stands for a temperature value
Cause: Undertemperature in the welding torch
Remedy: Place welding torch in a heated room and allow to warm up
tu5 | xxx
Remark: xxx stands for a temperature value
Cause: Undertemperature in the cooling unit
Remedy: Place cooling unit in a heated room and allow to warm up
tu6 | xxx
Note: xxx stands for a temperature value
Cause: Undertemperature on the transformer of the power source
Remedy: Place power source in a heated room and allow it to warm up
tu7 | xxx
Note: xxx stands for a temperature value
Cause: Undertemperature in the power source
Remedy: Place power source in a heated room and allow it to warm up
no | H2O
Cause: Coolant flow rate too low
Remedy: Check coolant flow rate and cooling unit, including cooling circuit (for mini-
mum coolant flow, see "Technical Data" section in the device operating in-
structions)
hot | H2O
Cause: The coolant temperature is too high
Remedy: Allow cooling unit and cooling circuit to cool down, until "hot | H2O" is no
longer displayed. Open the cooling unit and clean the cooler, check fan is
working properly. Robot interface or field bus coupler: before resuming weld-
ing, set the "Source error reset" signal.
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