7. If the control PCB in the gas connect console is operating correctly but you continue to see the same
diagnostic code, do the following:
a. Replace the CAN cable between the control PCB and the mixer.
b. Disconnect the CAN cable between the gas connect console and the TorchConnect console.
c. With the cable disconnected, do a check for the following:
• Make sure that each green LED on the mixer is operating correctly.
• Make sure that the XPR web interface or the CNC screen shows that the cutting
system is equipped with an OptiMix gas connect console.
8. Examine D24 and D25 on the control PCB again:
If you see this condition... Do these steps...
D24 and D25 are not illuminated and
are not flickering.
Reconnect the CAN cables to the plasma power supply and the cooler.
D24 is not illuminated, and D25 is
flickering.
1. Examine the control PCB in the gas connect console for shorts.
2. Look for a shorting block across pin 1 and pin 2 of J16.
3. If there is a shorting block, remove it and start the cutting system again.
9. Examine the green LED on the mixer PCB in the OptiMix console:
If you see this condition... Do these steps...
The green LED is flashing one time
per second, and the yellow LED is
flickering.
No action is necessary. This is the correct operation. The cutting system is ready
for use.
The green LED is flashing one time
per second, and the yellow LED is not
illuminated.
1. Examine the CAN cable between the control PCB and the mixer.
2. Look for pins that are bent or broken.
3. Make sure that all connections are fully tightened.
The green LED is blinking one time
per second, and the red LED is illumi-
nated and not flickering.
There is a possible problem with the mixer in the OptiMix console. Speak to your
cutting machine supplier or regional Hypertherm Technical Service team.
On the mixer PCB, look for a green LED, a yellow LED, and a red LED that are aligned in a row.
10. If you cannot find or correct the problem, speak to your cutting machine supplier or regional
Hypertherm Technical Service team.
Diagnostics and Troubleshooting
8
315811530Instruction ManualXPR460
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