Manual No. 016-0159-925
19
CAN Networking and CAN Data Menu
Below are some common causes for communication failures:
Issue
Possible Cause
Solution
CANbus cannot read
the product node
• The node is not
connected to the CANbus
• Connect the node and reboot the SCS console to read the
product node.
• Node is not properly
powered
• Connect the clean power - 16 gauge red wire and high current
power - 12 gauge red wire from the product node to a 12V DC
power source that is capable of supplying power to all nodes
connected to the CANbus system
• Node is not properly
grounded
• Connect the clean ground - 16 gauge white wire and the high
current ground - 12 gauge white wire to a good, quality ground
source. Raven recommends grounding the wires to the
negative terminal of the battery.
• CANbus ends not
terminated
• Make sure that both ends of the CANbus system are properly
terminated. Refer to the Raven CANbus Installation Manual for
more information about installing terminators on the CANbus.
• Corroded pins in CANbus
connections
• Check CANbus cable connectors for any highly corroded pins.
• Ensure dielectric grease has been applied to all cable
connections exposed to weather and field conditions.
• Moisture in connection
• Check CANbus cable connectors for any corroded pins.
• Ensure dielectric grease has been applied to all cable
connections exposed to weather and field conditions.
• Connectors not seated
properly
• Check that all CANbus cable connectors are inserted fully (until
the locking tab is engaged).
• Be sure to remove any moisture in connections which were not
properly seated. Check for corroded pins and apply dielectric
grease when reconnecting CANbus cables.