Weiro WT - 315 DI, Руководство по эксплуатации

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Check if the input volt has the phase missing. (Input power 3 phase 380V/50HZ)
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Check if the input cable is connected correctly and firmly with the power source.
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Check if the ground lead is connected correctly and firmly.
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Check if the welding cables are connected correctly and firmly.
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Check if gas regulator is in good situation and gas flows out normally.
WARNING: Have a qualified electrician do the maintenance and trouble shooting work. Turn the input
power off, using the disconnect switch at the fuse box before working inside the machine. Don’t open up
case uninstructed, the max volt inside machine is 600V, Never discharge high voltage to welder case with
welding torch! Shut down power source before changing or repairing welding cable or torch.