Basic troubleshooting (continued)
Problem Cause / Solution
8. The arc sputters and hisses. 8.1 The gas filter element outside the power
supply is contaminated.
Replace the filter element.
8.2 There is water in the air line.
Drain the air filter(s) and/or add additional air
filtration to the power supply. See Section 3,
Additional gas filtration.
8.3 Worn or incorrectly installed
consumables.
Inspect the consumables. Replace them if
necessary.
9. Cut quality is not good. 9.1 Consumables are worn or the torch is
being used incorrectly.
See Inspect the consumables, in this section.
See Section 4, Hand torch operation.
7. The arc blows out, but re-ignites
when the torch switch is pressed
again.
7.1 The consumable parts are worn or
damaged.
Inspect and change the con sum ables, as
necessary. See Inspect the consumables, in
this section. See Section 4, Torch operation.
7.2 The gas pressure is incorrect.
Adjust the operating gas pressure. See Section
4, Check and adjust the gas pressure. Check
that the gas supply pressure to the power
supply is not less than 90 psig (6.1 bar) at a
flow of 9.2 scfm (260 l/min).
7.3 The gas filter element outside the power
supply is contaminated.
Replace the filter element. See Air filter element
replacement, in this section.
powermax1650 Operator Manual 5-7
2
MAINTENANCE AND PARTS
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