Power (Pow) Indicator Lamp (Statuses: On, Flashing, Off; Run Indicator Lamp (Statuses: On, Off; Batt (Bat) Indicator Lamp (Statuses: On, Off) [Fx 3U /Fx 3Uc; Alm Indicator Lamp (Statuses: On, Off) - Mitsubishi Electric Melsec-F FX3GC Series User Manual

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

13.1.1 POWER (POW) Indicator Lamp (Statuses: ON, flashing, OFF)

Lamp
status
The specified voltage is properly
ON
supplied to the power supply terminal.
The PLC may be at one of the following
statuses:
· The specified voltage/current is not
supplied to the power supply
Flashing
terminal.
· An external line is not properly
connected.
· The PLC has a problem.
The PLC may be at one of the following
statuses:
· The power is off.
OFF · The specified voltage is not
supplied to the power supply
terminal.
· The power cable is disconnected.

13.1.2 RUN Indicator Lamp (Statuses: ON, OFF)

Lamp
status
The sequence program is being
ON
executed.
Execution of the sequence program is
OFF
stopped.
13.1.3 BATT (BAT) Indicator Lamp (Statuses: ON, OFF) [FX
Lamp
status
ON The voltage of the battery is too low.
The battery supplies enough voltage as
OFF
specified by D8006.
13.1.4 ALM Indicator Lamp (Statuses: ON, OFF) [FX
This LED is valid when the optional battery is installed and the battery mode is selected using a parameter.
Lamp
status
ON The voltage of the battery is too low.
The battery supplies enough voltage as
OFF
specified by D8006.
PLC User's Manual - Positioning Control Edition
Status of PLC
Status of PLC
Status of PLC
Status of PLC
Troubleshooting
The power is being supplied properly.
· Check the power supply voltage.
· Excluding the power cable, disconnect all other cables, and
then turn the power ON again. Check the lamp status. If the
lamp flashes again, please contact your local Mitsubishi
Electric representative.
If the power is on, check the power supply unit and the power supply
line.
If the power is properly supplied, please contact your local Mitsubishi
Electric representative.
Troubleshooting
The RUN indicator lamp indicates the operation status of the PLC.
Note that the RUN indicator lamp will go out depending on the status
of the ERROR indicator lamp (refer to Subsection 13.1.4).
/FX
3U
Troubleshooting
Immediately replace the battery (refer to the manual of the PLC).
The PLC has no problems.
/FX ]
3G 3GC
Troubleshooting
Immediately replace the battery (refer to the manual of the PLC).
The PLC has no problems.
13 Troubleshooting
13.1 LED Indicator Lamp Check
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3UC
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A
B
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