70
Powermax30 AIR
Service Manual
808850
5 – Troubleshooting and System Tests
The cut quality is poor,
or the cut does not
sever the metal.
• The consumables are worn or
damaged.
• The work lead connection is poor. The
work lead may be damaged or not
properly connected to the workpiece.
• The amperage adjustment knob is set
too low.
• The power board is producing low
current and may be faulty.
• The extension cord is too long, is
damaged, or is not capable of
delivering sufficient power to the
power supply.
• Inspect the consumables and replace
if necessary.
• Reposition the work lead on the
workpiece.
• Clean the workpiece surface to make
a better connection with the work
lead.
• Inspect the work lead and replace if
necessary.
• If your input circuit is capable, turn the
amperage adjustment knob to a
higher setting.
Test 3 – VBUS and voltage balance
on power board
• Operate the system without using an
extension cord. If you must use an
extension cord, use a heavy
conductor cord of the shortest
possible length. See
The circuit breaker trips
frequently while you are
cutting.
• The amperage adjustment knob is set
too high for the input circuit.
• The wrong consumables are being
used.
• The input circuit is not delivering
sufficient power to the power supply.
• The operator is stretching the arc by
holding the torch too far from the
workpiece when cutting.
• The extension cord is too long, is
damaged, or is not capable of
delivering sufficient power to the
power supply.
• Turn down the cutting current. See
Step 3 – Adjust the output current
• Make sure the correct consumables
are installed for this power supply and
torch. See
• Operate the system on a 240 VAC
input circuit whenever possible.
• Avoid stretching the arc. Drag the
• Operate the system without using an
extension cord. If you must use an
extension cord, use a heavy
conductor cord of the shortest
possible length. See
• Make sure nothing else is drawing
power on the same circuit.
Problem
Possible causes
Possible solutions
Содержание Powermax30 AIR
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Страница 24: ...24 Powermax30 AIR Service Manual 808850 1 Specifications ...
Страница 32: ...32 Powermax30 AIR Service Manual 808850 2 Power Supply Setup ...
Страница 96: ...96 Powermax30 AIR Service Manual 808850 5 Troubleshooting and System Tests ...
Страница 183: ...Powermax30 AIR Service Manual 808850 183 6 Power Supply Component Replacement Figure 92 2 3 4 1 ...
Страница 184: ...184 Powermax30 AIR Service Manual 808850 6 Power Supply Component Replacement ...
Страница 200: ...200 Powermax30 AIR Service Manual 808850 7 Torch Component Replacement ...
Страница 222: ...Powermax30 AIR Service Manual 808850 222 9 Wiring Diagrams Powermax30 AIR schematic 013393 Rev A SHEET 1 of 2 ...
Страница 223: ...Powermax30 AIR Service Manual 808850 223 9 Wiring Diagrams 013393 Rev A SHEET 2 of 2 ...