Troubleshooting
7-5
Digital Compact
2002 BRANSON Ultrasonics Digital Compact Version 22.08.2002
7.2.4 Weld Cycle
Tab. 7-5 Troubleshooting: Weld cycle
Fault Cause and Remedy
Ultrasonics does not
reach
full power level.
• Adjust pneumatic pressure.
• The horn operates at the limit of the
stroke of the pneumatic cylinder. Re-
adjust the travel of the horn.
• Adjust the mechanical stop.
• Choice of booster or horn not
appropriate.
• The material quality of the plastic
parts to be welded varies.
• Lubricant residue from the mould in
the joint area.
• Unsuitable joint area design.
• Part fixture not suitable or misaligned.
• Adjust trigger switch.
• Check air cylinder and air lines.
Replace defective components.
• Inspect solenoid valve. Replace if
necessary.
• Inspect pressure regulator.
Overload alarm when
you press TEST key
or during weld cycle.
• Inspect mating surfaces of the
acoustic stack for fretting.
• Improper air pressure during weld
cycle. Adjust air pressure.
• Check whether booster or horn are
defective or have loosened. Tighten
the components or replace if
necessary.
• Check the converter and replace if
necessary.
• Replace the power supply module. In
case of malfunction, install another
module and send the defective one to
BRANSON Ultrasonics.
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