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Mitsubishi Electronics FX3G User Manual

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Page of 964
885
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
Da
ta
 
Trans
fer 3
32
FNC28
0-F
NC
289
H
igh-Speed 
Process
ing 2
33
FNC2
90-
FNC299
Ex
tensi
on Fi
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
38.1.1 POWER (POW) LED [lit, flickering or unlit]
38.1.2 RUN LED [lit or unlit]
38.1.3 BATT (BAT) LED [lit or unlit] [FX
3U
/FX
3UC
]
38.1.4 ALM LED [lit or unlit] [FX
3G
/FX
3GC
]
This LED is valid when the optional battery is installed and the battery mode is selected using a parameter.
LED status
PLC status
Action
Lit
The voltage is correctly supplied to the power
terminal.
The power supply is normal.
Flickering
One of the following has occurred:
•
The voltage or current is incorrectly supplied
to the power terminal.
•
The wiring is incorrect.
•
There is fault inside the PLC.
•
Check the power supply voltage.
•
Disconnect cables except the power cable, turn the PLC power
ON again, and verify that the status is changed.
If the status is not improved, consult a Mitsubishi Electric
representative.
Unlit
One of the following has occurred:
•
The  power  is  OFF.
•
The voltage is incorrectly supplied to the
power terminal.
•
There is a break in the power cable.
When the power is not OFF, check the power supply and power
line route.
When the power is correctly supplied, consult a Mitsubishi Electric
representative.
LED status
PLC status
Action
Lit
Sequence program is executing.
The PLC operation status is indicated.
This LED is not lit depending on the ERROR (ERR) LED status.
(Refer to Subsection 38.1.4.)
Unlit
Sequence program is stopped.
LED status
PLC status
Action
Lit
The battery voltage is low.
Replace the battery as soon as possible. 
(Refer to FX
3U
/FX
3UC
 Hardware edition.)
Unlit
The battery voltage exceeds the value set in
D8006.
The battery is normal.
LED status
PLC status
Action
Lit
The battery voltage is low.
Replace the battery as soon as possible. 
(Refer to FX
3G
/FX
3GC
 Hardware edition.)
Unlit
The battery voltage exceeds the value set in
D8006.
The battery is normal.