Mitsubishi Electronics FX3G User Manual
887
FX
3S
/FX
3G
/FX
3GC
/FX
3U
/FX
3UC
Series
Programming Manual - Basic & Applied Instruction Edition
38 Error Check Method and Error Code List
38.1 States and Colors of LEDs PLC Operation Status
31
FNC277
-F
NC2
79
79
Da
ta
Trans
fer 3
fer 3
32
FNC28
0-F
NC
289
289
H
igh-Speed
Process
ing 2
33
FNC2
90-
FNC299
FNC299
Ex
tensi
on Fi
le
le
Register C
ontrol
34
FN
C300-
FNC30
5
FX
3U
-C
F-
AD
P
35
SFC
•STL
Programming
36
Interrupt
Function
37
Sp
ec
ia
l D
evi
ce
38
E
rror Code
A
Ve
rsi
on U
p
Inform
ati
on
B
Ex
ecuti
on
T
imes
38.1.7 L ERR LED [FX
3UC
-32MT-LT(-2)]
*1.
FX
3UC
-32MT-LT only.
→ For details, refer to the Hardware Edition of the PLC main unit.
Mode
LED status
PLC status
Action
ONLINE
Lit
•
Unit disconnected
•
Outside-control-range station
error
error
•
RD station number setting
error
error
•
Securely connect the built-in master to remote I/O units and
remote device stations on the network.
remote device stations on the network.
•
Make sure that the connected remote I/O units and remote device
stations are consistent with the detailed information on remote
stations.
stations are consistent with the detailed information on remote
stations.
Flickering
All stations are abnormal
•
Securely connect the built-in master to remote I/O units and
remote device stations on the network.
remote device stations on the network.
•
Make sure that the connected remote I/O units and remote device
stations are consistent with the detailed information on remote
stations.
stations are consistent with the detailed information on remote
stations.
Unlit
Data link is being normally
executed
executed
⎯
CONFIG
*1
Lit
Used station numbers mismatch.
(Remote stations are checked
while the remote station
information is edited.)
(Remote stations are checked
while the remote station
information is edited.)
•
Securely connect the built-in master to remote I/O units and
remote device stations on the network.
remote device stations on the network.
•
Make sure that the connected remote I/O units and remote device
stations are consistent with the detailed information on remote
stations.
stations are consistent with the detailed information on remote
stations.
•
Verify that remote device station numbers are within the allowable
range.
range.
Flickering
All stations are abnormal.
(Remote stations are checked
while the remote station
information is edited.)
(Remote stations are checked
while the remote station
information is edited.)
Unlit
Data link is being normally
executed
executed
⎯
TEST
Lit
The self-loopback test is
abnormally finished.
abnormally finished.
•
Make sure that the power is correctly supplied to the PLC.
•
If the L RUN LED is on even after the above check, consult a
Mitsubishi Electric representative.
Mitsubishi Electric representative.
Unlit
The self-loopback test is normally
finished.
(This LED is off while the self-
loopback test is executing.)
finished.
(This LED is off while the self-
loopback test is executing.)
⎯