Hypertherm Powermax125 Service Manua User Manual
Page 136
136
Powermax125 Service Manual 808070
8 – Troubleshooting and System Tests
0-40-2
Inverter IGBT module under
temperature
On
On
For an over-temperature fault:
(480 V CSA units > 81° C [178° F],
600 V CSA and CE/CCC units
> 76° C [169° F])
• Leave the machine powered ON and
confirm that the fan is operating.
• Verify that adequate air flow around the
unit.
• Verify that the cover is placed with the
air fins on the fan side of the power
supply.
• If the duty cycle has been exceeded, let
the unit cool and work within the duty
cycle limits listed in
For an under-temperature fault (all units
< -30° C [< -22° F]):
• Move the unit to a warmer location.
0-40-3
Inverter IGBT module over
temperature
0-50-0*
Retaining cap off
On
On
• Verify that proper consumables and
retaining cap are installed. Replace
damaged parts. Refer to
Setup on page 51 or Machine Torch
Setup on page 67.
• If the consumables appear to be
installed correctly, the torch may be
damaged. Test with a known working
torch.
• After correcting the problem, perform a
cold restart.
0-nn-n
Fault
code
Description
Power
LED
Fault
LED
Fault
icon
Solutions