Dukane 6000 Series User Manual page 132

Linear Vibration Welder 6000 Series
If the upper tooling is in the correct weight range and is
torqued to the proper values, you may need to increase the
voltage, current or feedback delay.
Increase the value that corresponds to the error message.
We strongly recommend that you consult Dukane prior to
changing these values.
Page 126
User's Manual
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Dukane Manual Part No. 403-619-00