7. Put the hoses in a different position if you find kinks that can be fixed.
8. Replace fittings that have damage.
9. Tighten loose connections if found.
10. Make sure that the shield water quality is good.
Bad quality can have a bad effect on the shield water regulator. It can cause diagnostic codes for low
inlet pressure. Refer to Shield-water requirements (VWI and OptiMix) on page 55.
11. If you cannot find or correct the problem, speak to your cutting machine supplier or regional
Hypertherm Technical Service team.
Troubleshooting for shield gas inlet pressure in the
TorchConnect console
Diagnostic codes 702 – 705
When diagnostic codes 702 – 705 occur, do this troubleshooting procedure to fix problems with the inlet
pressure inside the TorchConnect console. Make sure that gas inlet pressures are in the permitted range,
and examine hoses and fittings for damage or kinks.
Symptoms
Code Symptoms XPR models XPR action Code cancels with...
702 For a minimum of 200 milliseconds, the nitrogen
(N
2
) inlet pressure (P4) in the TorchConnect con-
sole is less than 5.52 bar (80 psi) or more than 8.61
bar (125 psi).
703 For a minimum of 200 milliseconds, the oxygen (O
2
)
inlet gas pressure (P4) in the TorchConnect console
is less than 5.52 bar (80 psi) or more than 8.61 bar
(125 psi).
704 For a minimum of 200 milliseconds, the air inlet
pressure (P4) in the TorchConnect console is less
than 5.52 bar (80 psi) or more than 8.61 bar (125
psi).
705 For a minimum of 200 milliseconds, the argon (Ar)
inlet pressure (P4) in the TorchConnect console is
less than 5.52 bar (80 psi) or more than 8.61 bar
(125 psi).
All models None • Set process
• Remote on-off
Diagnostics and Troubleshooting
8
352
811530 Instruction Manual XPR460
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