8 TROUBLESHOOTING
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© ESAB AB 2017
Type of fault Corrective action
No power/No arc • Check that the input power supply switch is turned on.
• Check if a temperature fault is shown on display.
• Check if system breaker is tripped.
• Check that the input power, welding and return cables are
correctly connected.
• Check that the correct current value is set.
• Check the input power supply fuses.
The overheating protection
trips frequently.
• Make sure that you are not exceeding the recommended
duty cycle for the weld current you are using.
See section "Duty cycle" in the OPERATION chapter.
• Make sure the air inlets or outlets are not clogged.
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