Because NST V moved to a Windows interface, the old text menus are replaced with windowed functions. Here is how the classic NST IV manual sections translate to NST V tasks.
Check your wiring. Ensure the (+) and (-) leads are not reversed. Confirm the CCN address on the controller matches what you are searching for in the software. Carrier Network Service Tool V Manual
Ensure the network is properly terminated with a 100-ohm resistor if you are at the end of a long wire run. Best Practices for Field Technicians Because NST V moved to a Windows interface,
: Located on the right panel, this main window shows real-time operating data, setpoints, software configurations, and maintenance tables for the selected device. Ensure the (+) and (-) leads are not reversed
Select the correct COM port corresponding to your USB adapter.
Connecting your computer to the Carrier network requires specific physical wiring methods. CCN Bus Connection
Review the description, time stamp, and error codes for diagnostics.