Troubleshooting for Common Problems
4
66
810430
Troubleshooting Guide
Powermax65/85/105 SYNC
The power ON
LED (
) flashes
or goes off while
you are cutting.
A power component
has a short circuit.
• The fan is defective.
• Do
• The DSP PCB is
defective.
• An IGBT is defective.
• The power PCB is
defective.
The plasma arc
does not transfer
to the workpiece.
The continuity
between the work
lead and the
workpiece is
unsatisfactory.
• The workpiece is dirty.
• The work clamp has
damage.
• The pierce height is too
high.
• Clean the area where the work
clamp comes into contact with the
workpiece or cutting table. Remove
any rust, paint, or other residue.
Make sure that there is good
metal-to-metal contact.
• Examine the work clamp for damage.
Repair or replace it if necessary.
• Make sure that the cutting table is
correctly grounded and has good
contact with the workpiece.
• Decrease the cut height.
Gas flows from
the torch when
you set the
plasma power
supply to ON (
I
),
but you did not
fire the torch.
The incoming gas
pressure is too high.
• The gas pressure from
the air compressor or
cylinder is too high.
• Make sure that the gas supply is not
more than 9.3 bar (135 psi).
The system is not
adjusting the gas
pressure correctly.
• The solenoid valve
electronic regulator is
defective.
• The DSP PCB is
defective.
• The power PCB is
defective.
Problem
Meaning
Causes
Solutions
Summary of Contents for Powermax105
Page 1: ...Powermax65 85 105 SYNC Troubleshooting Guide 810430 REVISION 0 ENGLISH ...
Page 12: ...Before You Begin 1 12 810430 Troubleshooting Guide Powermax65 85 105 SYNC ...
Page 174: ...System Diagrams 8 174 810430 Troubleshooting Guide Powermax65 85 105 SYNC ...
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