Omron CJ1W- ECT21 Operation Manual page 100

5 Troubleshooting
Indicator
ECAT ECAT
ERC ERH RUN
RUN ERR
Not Lit
*1 *1
B B
Lit
Not
Lit
Lit
*1. If the EtherCAT master requests transition to Safe-Operational state or Operational state, the Unit remains in the Pre-Op-
erational state, the ECAT ERR and ECAT RUN indicators are blinking.
*2. If the EtherCAT master requests transition to Safe-Operational state or Operational state, the Unit remains in the Pre-Op-
erational state and the CIO area (n+12) bit 01 is ON.
5 - 8
Error Cause
--- CPU Unit A fatal error
Fatal Error occurred in the
CPU Unit.
Output An Output OFF
OFF Error condition occurred
in the CPU Unit.
CPU Unit An error occurred
Watchdog in the CPU Unit.
Timer
Error
CPU Unit Servicing from the
Service CPU Unit was not
Monitor- completed within
ing Error the fixed interval.
The monitoring
time is normally 11
s.
An error occurred
while exchanging
data with the CPU
Unit.
I/O The I/O communi-
Refresh cation area does
Error not exist in the
CPU Unit.
This can occur
when the I/O com-
munication area is
set incorrectly,
when the Unit is
mounted to a dif-
ferent CPU Unit
with a different
number of EM
banks or when EM
has been con-
verted to file mem-
ory.
I/O Bus An error occurred
Error while exchanging
data with the CPU
Unit.
Error
Unit operation log
area
(hex)
An emergency --- (n+12)
code is sent if
bit 01
EtherCAT Unit
is in Pre-Oper-
ational state.
An emergency 0001
code is sent if
the EtherCAT
Slave Unit is in
Pre-Opera-
0002
tional state and
records the
error in the
error log.
0347 (n+12)
bit 01
(n+12)
bit 07
000E ---
CJ-series EtherCAT Slave Units Operation Manual (W541)
CIO Countermea-
sures
Clear the cause
of the error, and
*2
restart the CPU
Unit.
Clear the cause
of the error.
Replace the CPU
Unit.
Check and cor-
rect the CPU
Unit's operating
environment.
Check the I/O
*2 communication
area and change
to the correct
allocation and
restart the Ether-
CAT Slave Unit.
Check and cor-
rect the CPU
Unit's operating
environment and
then cycle power
to the PLC.