Omron NX-ECC201, User Manual, Page: 284 / 406

13 Troubleshooting
13 - 6 NX-series EtherCAT Coupler Unit User’s Manual (W519)
Lit --- B B Not Lit Lit Non-volatile
Memory Check-
sum Error If you turn OFF the power supply
to the NX Unit or disconnect the
Sysmac Studio communications
while writing the control parame-
ters is in progress, write the control
parameters again.
Memory Corrup-
tion Detected Cycle the power supply to the
EtherCAT Slave Terminal. If this
error occurs again even after you
cycle the power supply, replace the
EtherCAT Coupler Unit.
Unit Configura-
tion Error, Too
Many Units Make sure that the number of NX
Units that are connected does not
exceed the upper limit of the speci-
fications.
Unit Configura-
tion Error, Unsup-
ported Unit Make sure that the total byte size
of all I/O data in the EtherCAT
Slave Terminal does not exceed
the upper size limit of 1,024 bytes
for input data or 1,024 bytes for
output data.
Unit Configura-
tion Information
Error If you turn OFF the power supply
to the EtherCAT Coupler Unit or
disconnect communications with
the Sysmac Studio while a down-
load of Unit configuration informa-
tion is in progress, clear all
memory on the EtherCAT Coupler
Unit, and then download the Unit
configuration information again.
Unit Configura-
tion Verification
Error There is an inconsistency between
the Unit configuration information
in the EtherCAT Coupler Unit and
the Units that are actually con-
nected.
• Make sure that the Unit that is
connected is registered.
• Make sure that the Unit that is
registered is connected.
Slave Unit Verifi-
cation Error Cycle the power supply to the
EtherCAT Slave Terminal. If this
error occurs again even after you
cycle the power supply, replace the
EtherCAT Coupler Unit.
NX Unit Startup
Error Cycle the power supply to the
EtherCAT Slave Terminal. If this
error occurs again even after you
cycle the power supply, replace the
NX Unit.
Check the items described above. If this error occurs
again even after you cycle the power supply, replace
the EtherCAT Coupler Unit.
UNIT
PWR
[green]
L/A IN
L/A OUT
[green]
RUN
[green]
ERR
[red]
TS
Cause Corrective action
Green Red