Make the following checks and take the following actions to assure the integrity of the CAN bus:

• There are no CAN groups with the same selected address.
• The node selector of the COMPCI must be 0.
• Line terminators.• Ground connection.• CAN cable continuity.• CAN cable connectors (if necessary, unplug them and plug them back in).
• Ribbon (flat) cable connection between the nodes and the power supply.
• Power supplies of the CAN groups (levels, possible resets, etc.).
• See if all the modules are recognized in diagnosis mode.
• Use the itfcCAN.exe tool to check the CAN bus (only service technicians).

If the error persists, contact the Service Department.

0 System error.1CAN error.

2 Error in Tx/Rx queues.

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