Fx 3U /Fx 3Uc; Run Led [Lit Or Unlit]; Batt (Bat) Led [Lit Or Unlit]; Alm Led [Lit Or Unlit] [Fx 3G ] - Mitsubishi Electric MELSEC FX3U Programming Manual

FX /FX /FX Series Programmable Controllers
3G 3U 3UC
Programming Manual - Basic & Applied Instruction Edition
38.1.2 RUN LED [lit or unlit] [FX
LED status
Lit Sequence program is executing.
Unlit Sequence program is stopped.
38.1.3 BATT (BAT) LED [lit or unlit] [FX
LED status
Lit The battery voltage is low.
The battery voltage exceeds the value set in
Unlit
D8006.
38.1.4 ALM LED [lit or unlit] [FX
This LED is valid when the optional battery is installed and the battery mode is selected using a parameter.
LED status
Lit The battery voltage is low.
The battery voltage exceeds the value set in
Unlit
D8006.
/FX /FX ]
3G 3U 3UC
PLC status
The PLC operation status is indicated.
This LED is not lit depending on the ERROR (ERR) LED
status. (Refer to Subsection 38.1.4.)
/FX ]
3U 3UC
PLC status
Replace the battery as soon as possible.
(Refer to FX
The battery is normal.
]
3G
PLC status
Replace the battery as soon as possible.
(Refer to FX
The battery is normal.
38 Error Check Method and Error Code List
38.1 States and Colors of LEDs PLC Operation Status
Action
Action
/FX Hardware edition.)
3U 3UC
Action
/FX Hardware edition.)
3U 3UC
31
32
33
34
35
36
37
38
A
B
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