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SECTION 6
6.6 Torch Fails to Fire
6.7 No High Frequency in Torch
Smart Flow II
Water Cooler (WC7)
Torch Electrode restricting coolant flow through torch
Torch
Smart Flow II
PT-15Xl Plasma Torch
•
High start gas pressure
•
Cooling water flow switch not satisfied in
Smart Flow II. Minimum of 1 GPM flow required.
•
No high frequency
Cooling water pump pressure too low. Should be
135 psi (9.32 bars)
•
Open pilot arc cable
•
Open torch leads
•
Damaged contact ring assembly
No 115 VAC present to H.V. transformer in Smart
Flow II
Troubleshooting
6-3
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