| Error Message | Likely Cause | Solution | | :--- | :--- | :--- | | | Wrong COM port, cable driver issue, or radio off. | Verify COM port in Device Manager. Reinstall FTDI driver. Turn radio ON. | | "Codeplug version mismatch" | Your CPS is too old or too new for the radio's firmware. | Upgrade to CPS R06.12.05 or higher. Or downgrade radio firmware (complex). | | "Feature not enabled" | Attempting to program an option the radio doesn't support (e.g., MDC1200 on a base CM140). | Uncheck the feature in the software. | | "Frequency out of band" | You entered a frequency outside the radio's split (e.g., 450 MHz on a VHF model). | Verify your radio model: CM140 is typically VHF (136-174 MHz) or UHF (403-470 MHz). |
Using the Motorola CM140 programming software made John's task much easier. The software provided a user-friendly interface that guided him through the programming process. He was able to: