Chapter 10 Troubleshooting
CANopen Communication Fault Messages
Fault Messages
Display Fault Name Fault Description
CANbus error CANbus off or Error Rx/Tx Counter exceeds 128.
CANopen SDO
receive buffer
overrun
SDO Rx buffer overrun is detected (receive two or more
SDO packets in 1ms).
CANopen PDO
receive buffer
overrun
PDO Rx buffer overrun is detected (receive two or more
PDO (same COBID) packets in 1ms).
Index error occurs
when accessing
CANopen PDO object.
The specified Index in the message does not exist.
Sub-index error
occurs when
accessing CANopen
PDO object.
The specified Sub-index in the message does not exist.
Data type (size) error
occurs when
accessing CANopen
PDO object.
The data length in the message does not match the
specified object.
Data range error
occurs when
accessing CANopen
PDO object.
The data in the message has exceeded the data range
of the specified object.
CANopen PDO object
is read-only and
write-protected.
The specified object in the message is read-only and
write-protected (cannot be changed).
CANopen PDO object
does not support
PDO.
The specified object in the message does not support
PDO.
CANopen PDO object
is write-protected
when Servo On.
The specified object in the message is write-protected
(cannot be changed) when Servo On.
Error occurs when
reading CANopen
PDO object from EE-
PROM.
An error occurs when loading the default settings from
EE-PROM at start-up. All CANopen objects return to
their default settings automatically.
Error occurs when
writing CANopen
PDO object into EE-
PROM.
An error occurs when writing the current settings into
EE-PROM.
Revision January 2011 10-3
Call 1(800)985-6929 for Sales
Call 1(800)985-6929 for Sales
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