1019567 REV. 03 55
4.2.4 Weld Cycle
Table 4.4 Weld Cycle Troubleshooting
Problem Cause/Solution Refer to
Welder completes weld
cycle, tunes normally, but
does not deliver full
ultrasonic power.
Check line voltage Plant manager
Adjust Trigger Switch Setting
(TRS).
2000 IW/IW+ Operating
Manual
Verify weld parameters.
Horn operates at the end of
the Air Cylinder stroke;
adjust horn travel.
Adjust mechanical stop
Unsuitable horn or booster
selection.
Local Branson
Representative
Plastic part material varies. Branson Applications Lab
Mold release lubricant in
weld area.
N/A
Unsuitable joint design. Branson Applications Lab
Unsuitable or misaligned
part fixture.
N/A
Check Pressure Regulator;
replace if faulty.
Chapter 3: Schematics
Chapter 5: Assembly/
Disassembly
Check Solenoid Valve for
leakage; replace if faulty.
Check Air Cylinder and air
line; replace if faulty.
Welder is set in Collapse or
Absolute distance mode, but
Time setting does not allow
for the collapse or absolute
distances to be attained
during a weld.
Chapter 6: Repair
When touching the welder,
you get a slight electric
shock.
Inspect line cord assembly;
repair or replace as needed.
Chapter 3: Schematics
Chapter 7: Master Parts
List
Verify connection of all
ground wires.
Chapter 3: Schematics