5. Make sure that the remote on-off switch is in the ON position (enabled) and the D89 LED is
illuminated.
If necessary, set the remote on-off switch to OFF and then back to ON.
6. If you cannot find or correct the problem, speak to your cutting machine supplier or regional
Hypertherm Technical Service team.
Make sure that you have the record ID for the error.
Troubleshooting for low inlet pressure for hydrogen, argon, or
nitrogen
Diagnostic codes 695 – 697
Diagnostic codes 695 – 697 occur because gas inlet pressure in the gas connect console mixing module
is less than the permitted range. Do a check of the gas inlet pressure during test cutflow and test preflow
to find if the supply gas settings at the regulator are correct. Also examine the gas hoses and fittings.
Symptoms
Code Symptoms XPR models XPR action Code cancels with...
695 The hydrogen (H
2
) inlet pressure (P10) for the mix-
ing module in the gas connect console (only for
OptiMix) is less than 8.3 bar ± 0.4 (120 psi ± 5).
696 The argon (Ar) inlet pressure (P11) for the mixing
module in the gas connect console (only for Opti-
Mix) is less than 8.3 bar ± 0.4 (120 psi ± 5).
697 The nitrogen (N
2
) inlet pressure (P12) for the mixing
module in the gas connect console (only for Opti-
Mix) is less than 8.3 bar ± 0.4 (120 psi ± 5).
All models None • Set process
• Remote on-off
Corrective action
1. During test cutflow and test preflow, look at the CNC or XPR web interface to identify the gas inlet
pressure in the mixing module inside the gas connect console.
Look at:
□
The H
2
inlet pressure (P10) for code 695
□
The Ar inlet pressure (P11) for code 696
□
The N
2
inlet pressure (P12) for code 697
Diagnostics and Troubleshooting
8
348
811530 Instruction Manual XPR460
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