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C
Carol SteeleAug 3, 2025
What to do if there is no weld output and the front panel displays are off or flickering on and off on my CIGWELD 450i?
- CCarolyn StephensonAug 3, 2025
If your CIGWELD Welding System shows no weld output and the front panel displays are off or flickering, it's possible that the internal protection circuit has shut down the unit because the mains supply voltage is too high. Verify that the mains supply voltage is less than 477VAC. If you're using a generator, be aware that poor voltage regulation can cause the supply voltage to exceed 477VAC. Connect the power source to a supply voltage that is less than 477VAC.
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