Hypertherm Powermax65 SYNC Troubleshooting Guide

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 Test 11 – Fan on page 120.
•The DSP PCB is
defective.
• An IGBT is defective.
•The power PCB is
defective.
•Do Test 1 – Voltage input on
page 78.
•Do Test 2 – DC power bus on
page 83.
•Do Test 3 – Output diodes on
page 90.
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.
•Do Test 9 – Solenoid valve
electronic regulator on page 112.
•Do Test 10 – Solenoid valve
pressure sensor on page 115.
Problem Meaning Causes Solutions

Hypertherm Powermax65 SYNC Specifications

General

Brand	Hypertherm
Model	Powermax65 SYNC
Category	Welding System
Language	English