Your best option is to contact Hypertherm Directly
Here is the contact information in Aisa.
Hypertherm (S) Pte Ltd
82 Genting Lane
Annexe Block #A01-01
Singapore 349567, Republic of Singapore
65 6841 2489 Tel
65 6841 2490 Fax
65 6841 2489 Tel (Technical Service)
You can also contact Hypertherm's US Tech Support through the website:
You will need to give then your machine model and serial number
along with the Operator Interface Version
You can find this information on te Diagnostic Screen
Also have the Model number and Serial number of your Command THC.
With this information they can look up your equipment and help you out.
It would be too difficult to troubleshoot the problem through this forum.