| Error Message (CPS) | Meaning | Fix | | :--- | :--- | :--- | | "Codeplug too new for this application" | Radio has newer firmware than CPS version. | Obtain newer CPS (R06.12.05 or later). | | "Frequency out of range" | Frequency outside radio’s bandsplit. | GM338 splits: VHF (136-174 MHz), UHF (403-470 MHz or 450-527 MHz). Verify model number. | | "Checksum error" | Codeplug corrupted. | Reload last known good backup .cpg file. | | "Personality in use" | Trying to delete a personality assigned to a channel. | Unassign it from all zones/channels first. |
: Connect the radio, open the CPS software, and use the "Read" button to retrieve the current configuration before making edits to the Conventional Personality or Signaling menus. GM328/GM338/GM398 Mobile Radios Motorola Gm338 Programming Manual