Omron CJ1W-ECT21 Operation Manual page 121

 Errors Related to CPU Unit Data Exchange During Operational State or
Safe-Operational State
Indicator
ECAT ECAT
ERC ERH
RUN ERR
B SF Not Lit
Lit
CJ-series EtherCAT Slave Units Operation Manual for NJ-series CPU Unit (W542)
Error Cause
RUN
--- CPU Unit A major fault
Major occurred in the
Fault CPU Unit.
CPU Unit An error occurred
Watchdog in the CPU Unit.
Timer
Error
CPU Unit Servicing from the
Service CPU Unit was not
Monitoring completed within
Error the fixed interval.
The monitoring
time is normally 11
s.
I/O Bus An error occurred
Error 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 EM has
been converted to
file memory.
Status of
Error device vari-
Unit opera-
log ables for
tion
(hex) CJ-series
Units
The Ether- --- *_AlStatusErr
CAT Slave (Slave AL Sta-
Unit changes tus Error) is
to Pre-Opera- TRUE.
tional state.
An emer-
gency code is
sent.
The Ether- 0001
CAT Slave
Unit changes
to Pre-Opera-
tional state
0002
and an error
is recorded in
the error log.
An emer-
gency code is
sent.
000E ---
0347 *_AlStatusErr
(Slave AL Sta-
tus Error) and
*_IORefErr (I/O
Refresh Error)
are TRUE.
5 Troubleshooting
Countermeasures
Clear the cause of
the error, restart the
CPU Unit and then
turn OFF the error
bit of AL status
from the EtherCAT
master.
Replace the CPU
Unit.
Check the CPU
Unit's operating
environment and
then turn OFF the
error bit of AL sta-
tus from the EtheR-
CAT master.
Check the CPU
Unit's operating
environment, cycle
power to the CPU
Unit, and then turn
OFF the error bit of
AL status from the
EtherCAT master.
Check the I/O com-
munication area,
change to the cor-
rect allocation and
then restart the
EtherCAT Slave
Unit.
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