Troubleshooting
58
Error
code
Type of
communication error
Cause
Remedial action
8Ch
Out of setting range
The setting data requested by the host
controller could not be executed due
to out of range.
Check the setting data.
8Dh
Command execute
disable
When the command is unable to
execute, it was tried to execute.
Check the driver status.
Alarms related to communication
If an alarm is generated, the ALM-A output is turned ON and the ALM-B output is turned OFF to stop the motor. At the
same time, the POWER/ALARM LED blinks in red.
z
Alarm lists related to communication
For RS-485 communication
Alarm code
Alarm type
Cause
84h
RS-485 communication
error
The RS-485 communication error occurred consecutively by the
number of times set in the “Communication error detection (Modbus)”
parameter.
85h
RS-485 communication
timeout
The time set in the “Communication timeout (Modbus)” parameter
has elapsed, and yet the communication could not be established
with the host controller.
For industrial network
Alarm code
Alarm type
Cause
81h
Network bus error
The host network of the network converter was in a disconnected
state while the motor was operated.
83h
Communication switch
setting error
The setting of the function setting switch SW1-No.3 was out of
specifications.
84h
RS-485 communication
error
A communication error with the network converter occurred three
times consecutively.
85h
RS-485 communication
timeout
Communication with the network converter was not performed for
more than 200 ms.
8Eh
Network converter error
An alarm was generated in the network converter.