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9
Errors and Troubleshooting
Terminal program replies
E 99 Unknown Error
to correctly entered commands.
Commands are not typed in capital letters.
►
In the terminal program enter the commands in
capital letters.
Loss of messages
Messages are not forwarded
•
Former configuration is stored on the device.
Filters are not deleted with initialization.
►
Before configuring the device, reset the device to
factory settings or make sure that all filters are
deleted or disabled.
CAN transmission buffer overflow, oldest buffer
entries are overwritten
•
CAN controller in
warning
or
bus off
state
•
Buffer is full (check queue size with
)
•
Entries are overwritten to avoid blocking the
reception of data via the Bluetooth connection
►
Reduce the traffic.
Bluetooth transmission buffer overflow, incoming
messages are discarded
•
Too many CAN messages
►
Change the transmission type.
or
►
Reduce the traffic.
CAN receive buffer overflow, CAN messages are
discarded, indicated by error message E 84 (in
Config connection)
•
Config connection established during high traffic
on the connected CAN network
•
Connection attempt of CANblue II
►
Before establishing a Config connection reduce
the traffic or stop the CAN controller.
Loss of device responses to commands transmitted on the Config connection
High data traffic between Bluetooth and Config
connection, if a command is transmitted via the Config
connection, lines of the device response can be lost.
-
CAN controller in
warning
state
Multiply incorrectly received or transmitted messages
Stopping and starting the CAN controller does not
reset the
warning
state.
►
Reset the device.
or
►
Make sure that the device receives or transmits
several valid CAN messages.
CANblue II User Manual
4.01.0126.20000 EN 3.2
