Hypertherm powermax1250, Руководство оператора

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MAINTENANCE AND PARTS
1
5-6
powermax
1250
Operator Manual
Basic troubleshooting (continued)
Problem Cause / Solution
5. The power ON (green), torch cap
(yellow) and fault (red) LEDs are
illuminated.
5
.1 Retaining cap is loose or removed from
the torch.
Turn off power supply and tighten or install
torch consumables. See Section 4,
Install the
torch consumables.
If the torch consumables become loose or
were removed while the power supply is on,
turn off the power supply, correct the problem
and then turn on the power supply to clear
this fault.
6. The arc does not transfer to the
workpiece.
6.1 The work clamp is not connected to the
workpiece, or the work clamp is broken.
Connect or repair the work clamp.
6.2 The work clamp is not making good metal-
to-metal contact.
Clean the area where the clamp contacts the
workpiece.
6.3 The torch is too far away from the
workpiece.
Move the torch head closer to the workpiece
and start the torch again.
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 consumables, as
necessary. See
Inspect the consumables, in
this section and Section 4, Hand torch
operation.
7.2 The gas pressure is incorrect.
Adjust the operating gas pressure. See
Section 4,
Adjust gas pressure and current
setting. Check that the gas pressure to the
power supply is not less than 90 psig
(6.1 bar) at a flow of 6.7 scfm (189 l/m).
7.3 The gas filter element outside the power
supply is contaminated.
Replace filter element.