Troubleshooting; Led Indicator Lamp Check; Power Indicator Lamp (Statuses: On, Flashing, Off) [Fx3G/Fx3U/Fx3Uc - Mitsubishi FX3G Series User Manual

FX /FX /FX PLC User's Manual - Positioning Control Edition
3G 3U 3UC
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 following PLC manuals.
FX PLC
3U
FX -32MT-LT (-2) PLC
3UC
13.1.1 POWER Indicator Lamp (Statuses: ON, flashing, OFF) [FX
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.
Status of PLC
The power is being supplied properly.
• Check the power supply voltage.
• Excluding the power cable, disconnect all other cables, and
→ Refer to the FX
→ Refer to the FX
→ Refer to the FX
FX (D, DSS) PLC
3UC
FX PLC
3G
3G
Troubleshooting
then turn the power ON again. Check the lamp status. If the
lamp flashes again, please contact the nearest Mitsubishi
Electric distributor office .
13 Troubleshooting
13.1 LED Indicator Lamp Check
Hardware Edition.
3G
Hardware Edition.
3U
Hardware Edition.
3UC
/FX /FX ]
3U 3UC
B - 167
A
B
Apx.