Power percentage is 100% and I have a low current of only a few amp’s?

Possible cause:

  • the welding roll might be defect
    • change welding roll
  • in case you use a mercury based welding roll
    • add some mercury
  • the pendulum roll might be defect
    • change the pendulum roll
  • in case you use a mercury based pendulum roll
    • add some mercury
  • the transformer step switch might be defect
    • change transformer step switch

NOTE: The reason for the low current is due to an open circuit. The wire might be also hot in this case. If you have in general a high power percentage you might reduce the frequency.


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