Hypertherm Powermax30 XP Service Manual - Manual (Page 67)

Powermax30 XP Service Manual 808150 Revision 1 67
5 – Troubleshooting and System Tests
The cut quality is poor, or
the cut does not sever the
metal. • The consumables are
not functioning
correctly.
• There is a poor work
lead connection.
• The output from the
power supply is too
low.
• The power board is
producing low
current.
• The extension cord is
not delivering
sufficient power to the
power supply.
• The consumables are
worn or damaged.
• The work lead is
damaged or not
properly connected to
the workpiece.
• The amperage
adjustment knob is set
too low.
• The power board is
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.
• Inspect the work lead and
replace if necessary.
• Reposition the work lead on the
workpiece.
• Clean the workpiece surface to
make a better connection with
the work lead.
• If your input circuit allows, turn
the amperage adjustment knob
to a higher setting.
• 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
Extension cord
recommendations on page 28.
The pilot arc extinguishes
when you move the plasma
arc off the workpiece while
still pulling the torch
trigger. • The continuous pilot
arc is not functioning
correctly.
• The power board or
the control board is
faulty.
• Perform Test 2 – power board
voltage checks on page 76 and
Test 3 – VBUS and voltage
balance on page 78.
Problem This may mean Possible cause(s) Possible solution(s)