ULTRA-CUT 200 XT
Manual 0-5304
APPENDIX
A-73
4. The inverter section may be defective with a bad bias supply. Swap the inverter end of the ribbon cable with
one next to it.
a. If it now reports a different code, that of the inverter that was swapped with, then the original section is
bad.
b. If it still reports the same section even though the ribbon cable was swapped then the CCM is bad.
271
Inverter ID Reading Fault.
Refer to section for codes 225-230 for a description of the ID signals. If this code appears it means one of these
ID signals has gone false some time after power up.
Possible causes:
• An intermittent ribbon cable or one not fully latched in place.
• EMI interference.
Troubleshooting:
1. First recycle power to see if the fault is still there. It may now show up as one of the 225-230 codes which
will indicate which inverter.
2. Determine when the code shows up. If it is EMI it may not happen every time but if, when it happens, it is
always at the beginning of piloting, it may be EMI interference. Check the system ground cables and if an
AC200XT check the torch shield connection to the unit rear panel.
3. If it happens intermittently during cutting or idling it might be an intermittent ribbon cable. This code does
not say which inverter section so you have to check each ribbon cable for proper connection on each end. It’s
highly unlikely for a ribbon cable to be intermittent but if you have more than 2 sections try disconnecting
one section at a time and cut at lower current. See if you find one that causes the problem and if so replace
that ribbon cable.
Group 3 codes relate to the GAS Controls Status and Communication Protocol
Also refer to GCM 2010 Status Codes at the end of this Group 3 codes section.
301
Gas Control Communication Fault
No signal detected over the fiber-optic link from the gas control. In the case where there are additional devices
other than Gas Control connected to the CANBUS this code would indicate the Gas Control is having commu-
nication problems while the other CANBUS devices are OK. We don’t currently have any other devices on the
CANBUS so it is more likely that code 501 will be what is set. In any case troubleshooting is the same as for 501.
Possible cause:
• Most likely cause is dirty or defective fiber-optic cable or connector.
• Cable to GCM 2010, DMC or DPC not connected or broken.
• Defective control board or power supply in the Gas Control
• Defective CCM
Troubleshooting:
1. Check that the fiber-optic cable is fully plugged in to both sockets. Clean the cable ends with a soft cloth
and blow out the sockets with air.
2. Check gas control cables. If any of the gas control cables are not connected there will be no communication
as there will be no power to the control. This may show up as a 301 or 501 code. Also if the cable is broken
or defective such that the gas control is not enabled it may have power but in the case of the DMC or DPC
its fault light will blink error 101 while the CCM will only detect that there is no communication and it will
show 301 or possibly 501.
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