Omron CJ1W-ECT21 Operation Manual page 122

5 Troubleshooting
 Errors Related to Memory Access
Indicator
ECAT ECAT
ERC ERH
RUN ERR
Not Lit Lit Not
B
Lit
--- ---
 Unit Errors
Indicator
ECAT ECAT
ERC ERH
RUN ERR
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Lit
FK
5 - 12
Error Cause
RUN
--- SII Unit A SII Unit Verifica-
Verifica- tion Error
tion Error occurred in the
EtherCAT Slave
Unit information
stored in SII when
the power was
applied.
Special An error occurred
Unit Mem- in the EtherCAT
ory Error Slave Unit's
non-volatile mem-
ory itself. This
error occurs when
attempting to read
or write to the
error log.
Error Cause
RUN
--- Special An error occurred in
Unit Error the EtherCAT Slave
Unit.
ESC Initial An initialization error
Error occurred in ESC.
It was not possible
to write the node
address to the
EtherCAT Slave
Unit by Configura-
tion Software.
ESC Error A timeout occurred
while accessing
ESC.
CJ-series EtherCAT Slave Units Operation Manual for NJ-series CPU Unit (W542)
Error device vari-
Unit operation log
(hex)
The EtherCAT --- *_AlStatusErr
Slave Unit does (Slave AL Sta-
not enter tus Error) and
Pre-Operational *_SiiVerifyErr
state. (SII Unit Verifi-
cation Error)
are TRUE.
• Records an 0602 *_MemErr (Unit
error 0602 in Memory Error)
the RAM error is TRUE.
log area
• Remaining
writes to
non-volatile
memory are all
ignored and
normal opera-
tion continues
• Error records
will continue to
be written to
RAM
Error
Unit operation log
(hex)
Operation stops 0601 ---
and error is
recorded in the
error log.
Operation stops. ---
--- *_EscErr
(ESC Error)
is TRUE.
Status of
Countermea-
ables for
sures
CJ-series
Units
Restart the
EtherCAT
Slave Unit.
Replace the
EtherCAT
Slave Unit if the
error recurs.
Status of
device vari-
Countermea-
ables for
sures
CJ-series
Units
Restart the
CPU Unit.
Replace the
EtherCAT
Slave Unit if
the error
recurs.
Replace the
EtherCAT
Slave Unit if
the error
recurs.
Write the node
address again.
Replace the
EtherCAT
Slave Unit if
the same error
occurs when
the Unit is
mounted to
another CPU
Unit.