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"Unable to Communicate with an ECM!"<br />
This is a problem between the communication interface device and the ECM. The PC<br />
did detect the communication interface device. Make sure all connections between the<br />
communication interface device and the ECM are secure and intact. If the error displays<br />
again, verify that you are using the correct cables for your application.<br />
A. Check all connections between the PC and the ECM.<br />
B. Verify that you are using the correct cables for your application.<br />
C. Verify that the ECM has power.<br />
"Unable to Communicate with the Caterpillar Communication Adapter!"<br />
This error refers to a problem between the PC and the Communication Adapter.<br />
D. Check all connections between the PC and the ECM.<br />
E. Check that the Communication Adapter is receiving external power. The product<br />
being serviced must have the key switch on for power, unless it is connected directly to<br />
a battery.<br />
F. Verify in Preferences, under the Settings menu, that the correct port is selected.<br />
G. Verify in Preferences, under the Settings menu, that the correct Communication<br />
Interface Device is selected.<br />
H. If the error displays again, verify that you are using the correct cables for your<br />
application.<br />
I. Verify that your PC Comm Port is set up correctly and is not in use by another<br />
device (for example Palm Pilot Software). Try using another Comm Port, if it is<br />
available.<br />
Caterpillar Communication Adapter II Error Codes:<br />
When calling for software support, report the error code number to the support staff<br />
member. This will aid in solving the communication problem. The chart below is a list of<br />
error codes and the possible solutions to those errors.<br />
Error<br />
Code Error Description Suggestion<br />
--- No initialization file present. Un-install and re-install the Cat Comm Adapter<br />
II software. Make sure you reboot the PC after the installation is complete.<br />
--- Unable to read Cat<br />
Communication Adapter (RP1210) Initialization File. If the PC has Cat Comm Adapter<br />
II software installed, try rebooting the PC first. If this does not cure the problem, reinstall<br />
the Cat Comm Adapter II software. Make sure you reboot the PC after the<br />
installation is complete.<br />
--- Unable to load CA2RP32.DLL If the PC has Cat Comm Adapter II software<br />
installed, try rebooting the PC first. If this does not cure the problem, re-install the Cat<br />
Comm Adapter II software. Make sure you reboot the PC after the installation is<br />
complete.<br />
142* The interface hardware is not connected. Check the cables. Make sure the<br />
data link cable and serial communication cables are<br />
properly connected.<br />
Verify the Cat Comm Adapter II "Power" light is on.<br />
Check that Caterpillar<br />
Electronic Technician is configured for the correct communications port.<br />
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