System - Troubleshoot
This section will aid in solving problems that are NOT accompanied by an error code on the CCM.
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| Additional Troubleshooting | ||
| Problem | Possible Explanation | Required Action |
| Direct Connections | ||
| PC unable to connect to CCM | PC is configured improperly, or a cable error is present. | Determine if the proper serial port on the PC has been selected. Make sure the correct RS-232C cable is being used. Null modem cable is required. Match the PC configuration with the CCM configuration. |
| Modem Connections | ||
| PC unable to connect to CCM | PC configured improperly, modem not set up properly, or cable error is present. PC modem and CCM modem are not compatible. Password was not entered within 60 seconds |
Determine if proper serial port on the PC is selected. Make sure that the Communication Specifications are being met and consult the modem manual. Make sure the correct RS-232C cable is being used. No null modem is required. Match the CCM, PC, and modem configurations. |
| Modem does not answer | Improper modem configuration. | Verify that the modem is configured per the instructions given in the Communication Initialization section in this manual. |
| Modem disconnects during remote start. | System battery voltage is low. | Make sure that the (+/-) Battery Power Specifications are being met. It may be necessary to disconnect the phone line on the local modem temporarily to force it to hang up. |
| Direct or Modem Connections | ||
| PC can connect to only one electronic controller in a multiple unit installation. | Electronic controller MID has not been programmed. Electronic controllers are not connected on the correct data link. |
Refer to Programming the Engine Number section and Data Link Guidelines section in this manual. |
| PC will not connect to 3500B marine propulsion engine through the CCM PC software. | CCM has been installed on the wrong data link. | CCM PC software version 1.2 and earlier will not communicate with the CCM if the CCM is connected via the primary Data Link on 3500B Marine Engines built after 4/97. The CCM should be connected to the Secondary CAT Data Link on these engines when used as a communications interface. Refer to the Data Link Guidelines section in this manual. |
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