Powermax – Hypertherm Powermax45 Service Manual User Manual
Page 91
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
verify that the power board
is functioning properly. If
the power board is faulty,
replace it. Otherwise,
replace the control board.
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