Troubleshooting
NPort Server Pro User’s Manual A-5
To solve this problem, programs should:
1. Try to re-open the port if the fail code is returned during the open (i.e. sio_open)
session.
2. If the fail code returns while writing data, reading data, changing settings, etc., you
should close the file handler, and then try to open the port again.
LED Description
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