1. Data communication failure
A. Check to make sure USB cable is OK.
B. Make sure RS-485/RS-422 output interface cable is OK.
C. Make sure power supply is OK.
D. Make sure the wire terminal connection is OK.
E. Make sure the indicator lights flash when receiving.
F. Make sure the indicator lights flash when sending.
2. Data missing or incorrect
A. Check to see whether the data rate and format at both ends of the
communication equipment are consistent.
VII. Driver installation
Once a UT-890A converter is connected with the USB port, the following window will pop up.
Select Install from a list or specific location (Advanced), then click Next to continue.
Then a window pops up to choose search and installation options as the following, please select
Don't search. I will choose the driver to install, and then click Next to continue.
