13. Troubleshooting; Led Indicator Lamp Check - Mitsubishi Electric FX3S Series User Manual

FX /FX /FX
3S 3G 3GC
Built-in Positioning Functions

13. Troubleshooting

13.1

LED Indicator Lamp Check

If an error occurs, check the ON/OFF status of the LED indicator lamps on the PLC to assess the general
meaning of the error. This section does not describe all the LED indicator lamps of the main unit. For details
on the LED indicator lamps, refer to the manual (Hardware Edition) of the PLC main unit.
FX PLC
3S
FX PLC
3G
FX PLC
3U
B - 178
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/FX /FX PLC User's Manual - Positioning Control Edition
3U 3UC
POWER
(Green)
RUN
(Green)
ERROR
(Red)
POWER
(Green)
RUN
(Green)
ERROR
(Red)
ALM
(Red)
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FX PLC
3GC
FX (D, DS, DSS) PLC
3UC
FX -32MT-LT (-2) PLC
3UC
POWER
(Green)
RUN
(Green)
BATT
(Red)
ERROR
(Red)
13 Troubleshooting
13.1 LED Indicator Lamp Check
POWER
(Green)
RUN
(Green)
ERROR
(Red)
ALM
(Red)
POWER
(Green)
RUN
(Green)
BATT
(Red)
ERROR
(Red)
POWER
(Green)
RUN
(Green)
BATT
(Red)
ERROR
(Red)
L. RUN
(Green)
L. ERR
(Red)