Here's a question about the solution with the error described as M7087-PLC timed out waiting for the host computer to send the scan code result machine code of KM-ASSYM3-06 error id of 88:

What does the error M70
The solution for M7087-PLC error where the timed-out waiting for the host computer to send the scan code result involves verifying the host computer's network connection and IP address, updating the PLC's network