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12 Troubleshooting and Maintenance
GX-series EtherCAT Slave Unit User’s Manual
12-1 Troubleshooting
12
12-1-5 Emergency Error Code
The table below shows types of emergency error codes used in GX-series EtherCAT Slave Units and
corresponding error contents.
Event name Non-volatile Memory Hardware Error Event code 04A10000 hex
Meaning An error occurred in non-volatile memory.
Source EtherCAT Master Function Module Source details Slave Detection
timing
When
establishing
communications
after turning ON
power to the
Slave Unit
Error attributes Level Observation Recovery --- Log category System
Effects User program Continues Operation Writing to non-volatile memory is not possible.
LED EtherCAT NET RUN EtherCAT NET ERR EtherCAT LINK/ACT
--- --- ---
System-defined
variables
Variable Data type Name
None --- ---
Cause and
correction
Assumed cause Correction Prevention
Non-volatile memory failure. Replace the EtherCAT Slave Unit. None
Attached
information
None
Precautions/
Remarks
The emergency error code is 5530 hex.
12-1-5 Emergency Error Code
Error codes common to GX-series EtherCAT Slave Units
Error
code
Name of error Contents
Diagnosis
history
Notification to
EtherCAT
Master Unit
Measures
5530 hex
Non-volatile
Memory
Hardware Error
A timeout was
detected when writing
data to non-volatile
memory during
EtherCAT
communications.
Not
saved
Can be notified Write the data again.
6140 hex
Slave Unit
Verification
Error
At turning ON the
power supply, a
verification error
occurred on the Slave
Unit information stored
in the Slave Unit.
Saved
Cannot be
notified
If the error occurs
even after restarting
the power supply, the
Slave Unit is
damaged. Replace the
Slave Unit.