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Table 1
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.