Hypertherm XPR170 - Page 298

Diagnostics and Troubleshooting
8
298 810060 Instruction Manual XPR170
767
Alert
Remote relay fault The remote on-off relay driver
finds an over-current
condition.
1. Inspect the pump solid state relay for damage.
Replace them if you find damage or excess
wear.
2. Make sure that you have the most recent XPR
firmware. You can log into the Xnet at
www.hypertherm.com to download it.
3. If the code continues, contact your cutting
machine supplier or regional Hypertherm
Technical Service team
None Set process;
remote on-off
768
Alert
Gas inlet – O
2
Line
A
Line A O
2
inlet pressure (P2)
is below 5.52 bar (80 psi) or
above 8.62 bar (125 psi).
Refer to Gas inlet pressure codes (768 – 771) on
page 328.
None Set process;
remote on-off
769
Alert
Gas Inlet – Argon
Line B
Line B Argon inlet pressure
(P1) is below 5.52 bar
(80 psi) or above 8.62 bar
(125 psi).
If you have a cutting system equipped with a Core
or VWI gas connect console, refer to Gas inlet
pressure codes (768 – 771) on page 328.
If you have a cutting system equipped with a
OptiMix gas connect console, refer to Process-gas
inlet pressure in the torch connect console
diagnostic codes (702, 705, 769, 770) for
OptiMix-equipped cutting systems on page 325.
None Set process;
remote on-off
770
Alert
Gas Inlet – N
2
Line
B
Line B N
2
inlet pressure (P1)
is below 5.52 bar (80 psi) or
above 8.62 bar (125 psi).
None Set process;
remote on-off
771
Alert
Gas Inlet – Air Line
A
Line A Air inlet pressure (P2)
is below 5.52 bar (80 psi) or
above 8.62 bar (125 psi).
Refer to Gas inlet pressure codes (768 – 771) on
page 328.
None Set process;
remote on-off
772
Alert
High Inlet – Line A Line A inlet pressure (P2) is
more than 9.99 bar (145 psi).
Lower the air or O
2
inlet pressure. Ramp down Set process;
remote on-off
774
Alert
P5 >=P2 Line A (H
2
-mix) outlet
pressure (P5) exceeds air
inlet pressure (P2) and Line A
type is “mix.” The system will
automatically stop cutting
system operation.
Increase air inlet pressure. Ramp down Set process;
remote on-off
Diagnostic code
number and
category
Diagnostic code
name
Description Corrective action XPR action
Code cancels
with