23
ModBus COM0 error
Check the detailed fault 
information in the software.
ModBusTcp error
Check the detailed fault 
information in the software.
CANopen Indication Remedy
Slave error
Check the connection between 
slave rack modules.
Slave hardware 
slave rack module is consistent 
with that in the software.
Slave module error
Check whether the slave rack 
module reports a fault, and check 
the detailed fault information in 
the software.
CANopen master bus 
disabled
Check whether the CANopen 
function of the master is disabled 
or the CANopen communication 
of the master is abnormal.
CANlink Indication Remedy
Bus error (BUS OFF)
Check bus connection. Check the 
detailed fault information in the 
software.
 
(Master) no online 
slave 
Check the connection of slaves 
and parameter setting.
(Master) slave 
disconnected
Check the connection of slaves.
command frame 
error
parameters.