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PLC User's Manual - Positioning Control Edition
Built-in Positioning Functions
13 Troubleshooting
13.1 LED Indicator Lamp Check
B - 170
OFF
The PLC may be at one of the following
statuses:
• The power is off.
• The specified voltage is not
supplied to the power supply
terminal.
• The power cable is disconnected.
If the power is on, check the power supply unit and the power supply
line.
If the power is properly supplied, please contact the nearest
Mitsubishi Electric
distributor
office.
Lamp
status
Status of PLC Troubleshooting