Polaris Digital Wrench
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Polaris Digital Wrench .: Errors and Troubleshooting .: Communications Problems .: No Serial Communication Ports are Free

No Serial Communication Ports are Free

Version: ALL
Operating System(s): ALL


When trying to run the software, the following error message is reported:

No serial communication ports are free



The Digital Wrench is being run for the first time and is not able to find a serial communications port to use.


Make sure there is a Serial Port available on the PC and that there are no other applications using it.

A common cause of this problem is "Hotlink" software for hand-held computers, (i.e. Palm Desktop) that hold a serial port "Open" all the time. Shut down applications like this before trying to run the diagnostic system.


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