Siemens SINUMERIK ONE 6FC5317-5AA00-0AA0 - LED Displays

4.4.2 LED displays
Meaning of the RUN/STOP, ERROR and MAINT PLC-LEDs
RUN/STOP LED ERROR LED MAINT LED Meaning
LED o󹪜 LED o󹪜 LED o󹪜
Supply voltage at the PLC not present or too low.
LED o󹪜
LED 󹪞ashes red
LED o󹪜
An error has occurred.
LED lights up green
LED o󹪜 LED o󹪜
The PLC is in the RUN operating state.
LED lights up green LED 󹪞ashes red
LED o󹪜
Diagnostic event pending.
LED lights up green
LED o󹪜
LED lights up yellow
A plant maintenance request is pending.
The a󹪜ected hardware must be validated/replaced
within a short interval.
Active force job
PROFIenergy pause
LED lights up green
LED o󹪜
LED 󹪞ashes yellow
A plant maintenance requirement is pending.
The a󹪜ected hardware must be validated/replaced
within a foreseeable interval.
Con󹪝guration faulty
LED lights up yellow
LED o󹪜
LED 󹪞ashes yellow
Firmware update completed successfully.
LED lights up yellow
LED o󹪜 LED o󹪜
The PLC is in the STOP operating state.
LED lights up yellow LED 󹪞ashes red LED 󹪞ashes yellow
The program from the internal PLC memory causes
an error.
PLC defective
LED 󹪞ashes yellow
LED o󹪜 LED o󹪜
The PLC performs internal activities during STOP,
e.g. ramp-up after STOP.
Loading the user program from the internal PLC
memory.
LED 󹪞ashes
yellow/green
LED o󹪜 LED o󹪜
Startup (transition from RUN → STOP)
LED 󹪞ashes
yellow/green
LED 󹪞ashes red LED 󹪞ashes yellow
Startup (booting the PLC)
Test the LEDs during startup, insert a module.
LED 󹪞ash test
Description
4.4Operator control and display elements
NCU 1750
Equipment Manual, 10/2023, A5E45627807B AH 37