Omron CJ1W-ECT21 Operation Manual page 138

5 Troubleshooting
AL status
code Status name
(hex)
0024 TxPDO Mapping
Error
8000 Slave Restarted
8004 Errors Related to
the CPU Unit
5 - 28
Contents
The TxPDO and RxPDO
are not assigned after the
Unit receives a request to
change from Pre-Opera-
tional state to Safe Opera-
tional state.
The Unit was restarted.
The voltage is present in
the Unit immediately after
power is turned OFF. The
power is turned ON in this
state.
An error was detected in
the CPU Unit.
The AL status code is
caused by the following
errors.
• CPU Unit Major Fault
• CPU Unit Watchdog
Timer Error
• CPU Unit Service Moni-
toring Error
• I/O Refresh Error
CJ-series EtherCAT Slave Units Operation Manual for NJ-series CPU Unit (W542)
Notification to
EtherCAT
master
Possible Correct the communication area input and
output data size to match the EtherCAT
master TxPDO and RxPDO settings and
then turn OFF the error bit of AL status
from the EtherCAT master.
Turn OFF the error bit of AL status from the
EtherCAT master.
Refer to 5-2-1 Checking for Errors and
Troubleshooting with the Indicators on
page 5-7 for error corrective actions.
Corrective action