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13 Troubleshooting
NX-series EtherCAT Coupler Unit User’s Manual (W519)
13-3 Checking for Errors and Troubleshooting on the Sysmac Stu-
dio
13
13-3-2 Event Codes for Errors and Troubleshooting Procedures
Error Descriptions
Event name Bus Controller Error Event code 00210000 hex
Meaning An internal bus error occurred.
Source EtherCAT Master Function Mod-
ule
Source details EtherCAT Cou-
pler Unit
Detection
timing
When power is
turned ON to
the EtherCAT
Coupler Unit
Error
attributes
Level Minor fault Recovery Cycle the power
supply to the
EtherCAT Cou-
pler Unit.
Log category System
Effects
User program
Continues. Operation I/O refreshing for the NX Units in the EtherCAT Slave
Terminal stops. Messages cannot be sent to the NX
Units in the EtherCAT Slave Terminal.
Sys-
tem-defined
variables
Variable Data type Name
None --- ---
Cause and
correction
Assumed cause Correction Prevention
The Unit has failed. Replace the EtherCAT Coupler
Unit.
None
Attached
information
None
Precautions/
Remarks
None
Event name Non-volatile Memory Hardware Error Event code 00220000 hex
Meaning An error occurred in non-volatile memory.
Source EtherCAT Master Function Mod-
ule
Source details EtherCAT Cou-
pler Unit
Detection
timing
When power is
turned ON to
the EtherCAT
Coupler Unit
Error
attributes
Level Minor fault Recovery Cycle the power
supply to the
EtherCAT Cou-
pler Unit.
Log category System
Effects
User program
Continues. Operation Writing to non-volatile memory will not be possible.
Sys-
tem-defined
variables
Variable Data type Name
None --- ---
Cause and
correction
Assumed cause Correction Prevention
Non-volatile memory failure Replace the EtherCAT Coupler
Unit.
None
Attached
information
None
Precautions/
Remarks
None
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