203
Indicator/Display Status and Corrective Actions for Errors Section 10-3
Flashing
red
L9"
Master node
address
--- Standard I/O
Connection
Timeout
See note
1.
Standard I/O
connection
timeout
Check the following points:
• Make sure the baud rate is the
same for all nodes.
• Make sure the cable lengths
(main/branch) are not too
long.
• Make sure the cable is not dis-
connected or loose.
• Make sure terminating resis-
tance is at both ends of the
main line and only at both
ends.
• Make sure that there is not a
lot of noise.
Flashing
red
dAÙ Desti-
nation slave
node
address
--- Safety I/O
Connection
Timeout
See note
1.
Safety I/O
connection
timeout
Flashing
red
d5Ù Desti-
nation slave
node
address
--- Nonexistent Slave
Device
See note
1.
No slave
Flashing
red
d6Ù Desti-
nation slave
node
address
--- Safety I/O
Connection
Establishment Fail-
ure
See note
1.
Safety I/O con-
nection establish-
ment error
Check the slave device.
• Make sure it its configured.
• Make sure it is in a normal
operational state.
Flashing
red
d6Ù Desti-
nation slave
node
address
--- Invalid Slave
Device
See note
1.
Invalid slave
device (verifica-
tion error)
Verify the slave device (select
Device - Parameters - Com-
pare) and connect a suitable
slave device.
OFF
E0Ù
Node
address of
error
--- Network PS
Voltage Low
See note
1.
Network power
supply voltage
low error
Check the following points:
• Make sure the power supply
voltage is set within the speci-
fied range.
• Make sure a cable or wire is
not disconnected.
--- E2Ù
Node
address of
error
--- Transmission
Timeout
See note
1.
Transmission
timeout
Check the following points:
• Make sure the baud rate is the
same for all nodes.
• Make sure the cable lengths
(main/branch) are not too
long.
• Make sure the cable is not dis-
connected or loose.
• Make sure terminating resis-
tance is at both ends of the
main line and only at both
ends.
• Make sure that there is not a
lot of noise.
Flashing
red
A0Ù
Node
address of
error
--- Relevant Safety I/O
communication
stopped because of
a Safety I/O
communication
error
Ye s
(See note
2.)
A safety I/O
connection timed
out, interrupting
the relevant I/O
connection.
Check the following points:
• Make sure the baud rate is the
same for all nodes.
• Make sure the cable lengths
(main/branch) are not too
long.
• Make sure the cable is not dis-
connected or loose.
• Make sure terminating resis-
tance is at both ends of the
main line and only at both
ends.
• Make sure that there is not a
lot of noise.
Flashing
red
A1Ù
Node
address of
error
--- All Safety I/O
com-munication
stopped because
ofa Safety I/O
communication
error
Ye s
(See note
2.)
A safety I/O
connection timed
out, interrupting
the relevant I/O
connection.
Indicators/display Error history Cause Corrective actions
NS Seven-
segment
display
I/O Name Saved in
nonvola-
tile
memory
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