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Error codes
E2: Power source undervoltage
The machine has stopped because it has detected a mains undervoltage that disturbs welding.
Check the quality of the supply network.
E3: Power source overvoltage
The machine has stopped the welding because it has detected momentary voltage spikes or
continuous overvoltage dangerous to the machine in the electric network.
Check the quality of the supply network
E4: Power source overheating
The power source has overheated. The cause may be one of the following.
The power source has been used for a long time at maximum power
The circulation of cooling air to the power source is blocked
The cooling system has experienced a failure
Notice !
Remove any obstacle to air circulation, and wait until the power source fan has cooled down
the machine.
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