beautypg.com

Powermax – Hypertherm Powermax45 Service Manual User Manual

Page 91

background image

TroubleshooTing and sysTem TesTs

powermax

45

Service Manual

5-15

Problem

This may mean

Cause

Solution

The pilot arc extinguishes

when you move the plasma

arc off the work piece while

still pulling the torch’s

trigger.

The continuous pilot arc

feature is not working.

• The mode switch may be

set incorrectly.

• The power board or the

control board may be

faulty.

• Verify that the mode

switch is set to continuous

pilot arc.

• Perform Test 2 – power

board voltage checks

on page 5-19 and Test

3 – VBUS and voltage

balance on page 5-20 to

verify that the power board

is functioning properly. If

the power board is faulty,

replace it. Otherwise,

replace the control board.

This manual is related to the following products: