8 Troubleshooting and Maintenance
8 - 8
E3NW-ECT EtherCAT Digital Sensor Communication Unit Operation Manual (E429)
A table that describes the error event codes that are displayed on the Sysmac Studio is given below.
The errors (i.e., events) that can occur in the E3NW-ECT EtherCAT Slave Unit are given on
the following pages. Event levels are given as following in the tables:
Maj: Major fault level
Prt: Partial fault level
Min: Minor fault level
Obs: Observation
Info: Information
Refer to the NJ-series Troubleshooting Manual (Cat. No. W503) for all of the event codes that may
occur in an NJ-series Controller.
8-1-4 Sysmac Error Status Codes
Error List
Event code Event name Meaning Assumed cause
Level
Reference
Maj Prt Min Obs Info
04C40000 hex Sensor Com-
munications
Error
An error occurred in
a Sensor connec-
tion.
• The Sensor is disconnected. √ 8-10
04C50000 hex Sensor Com-
munications
Has Not
Been Estab-
lished
Communications
has not been estab-
lished with the Sen-
sor.
• A sensor is not connected. √ 8-10
14A00000 hex Non-volatile
Memory
Checksum
Error
An error occurred in
the control parame-
ters.
• Noise √ 8-11
247A0000 hex Number of
Distributed
Sensor Unit
Verify Error
The number of Dis-
tributed Sensor Unit
that is checked at
power up is
decreased.
• The Distributed Sensor Unit is
disconnected
√ 8-11
247B0000 hex Number of
Sensors
Over Limit
Too many Sensors
are connected.
• More than the maximum num-
ber of Sensors are connected.
√ 8-12
247C0000 hex Number of
Sensors Ver-
ify Error
The number of Sen-
sors that is con-
nected does not
agree with the set-
tings.
• The set value does not match
the number of Sensors that are
actually connected
√ 8-12
247D0000 hex Number of
Sensors
Over at Dis-
tributed Sen-
sor Unit
Too many Sensors
are connected at
Distributed Sensor
Unit.
• More than the maximum num-
ber of Sensors are connected
at Distributed Sensor Unit.
√ 8-13
34F80000 hex Dummy Sen-
sors Setting
Error
Too many Dummy
Units are set.
• There are too many Dummy
Units set, so some Sensors are
not assigned logical unit num-
bers.
√ 8-13
04A10000 hex Non-volatile
Memory
Hardware
Error
An error occurred in
non-volatile mem-
ory.
• Non-volatile memory failure √ 8-14