Chapter 4: Diagnostics and Troubleshooting
Industrial Dynamics Company, Ltd. Document 40272-0700 4-9
Error Number 120
This error indicates there is a RX receive rate error. Too many characters
have been received in one second. If this error persists, report this error to
your Service Department.
Error Number 121
This error indicates the CTS line (Clear To Send) is changing too rapidly
for normal communication and therefore appears busy. If this error
persists, report this error to your Service Department.
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