Essae SI-810 RS232 Communication Error

RS232 Communication Error occurs when the computer cannot exchange data with the SI-810 machine through the serial communication port.

Possible Causes
1.) Incorrect COM port selection.
2.) Wrong baud rate.
3.) Damaged serial cable.
4.) Loose connector.
5.) Serial port disabled.

Troubleshooting Procedure
1.) Verify COM port selection.
2.) Confirm baud rate settings.
3.) Inspect the RS232 cable.
4.) Tighten all connectors.
5.) Test communication again.

Prevention
1.) Use quality serial cables.
2.) Label communication ports.
3.) Verify communication settings after software updates.