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Table 7.2 Troubleshooting Chart
Unusual sound during weld cycle
Squealing sound from Controller
when unit is turned on
Maintenance counter alarm
Actuator arm moves sluggish
System has READY CHECK
message
Time, height and energy
inconsistent
72
Problem
Solution
Check tooling gap.
Check converter.
Check stack assembly.
Check cooling fans in rear of unit
Reset maintenance counter.
Check air lines for contamination.
Air must be filtered to 5 microns and be oil and
water free.
Check solenoid valve, replace if needed.
Check air regulator.
The anvil is stuck in the closed position.
Maintenance has moved the height encoder to an
out of limit condition.
Defective encoder or electronics.
Encoder not plugged into the actuator card.
Switch to energy mode & open height window.
Make some sample welds.
Check the time and the height of the welds for
consistency.
If the time or weld thickness varies greatly, check
the air regulator.
DCM00051 REV. 10
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