Diagnostics And Fault Elimination; Led Status Display - Lenze C750 Commissioning

Diagnostics and fault elimination

LED status display

13 Diagnostics and fault elimination
This section contains information on error handling, drive diagnostics and fault analysis.
13.1 LED status display
The controllers are equipped with LEDs indicating the current operating status. Depending on
the running software application, different control modes of the LEDs are possible.
LED status display
"RDY" LED (blue/yellow) Meaning
Off Device is switched off.
Device is starting up.
Device is ready for operation.
Voltage is underrun.
LED status display
"ERR" LED (red) Status
Off NO REACTION
WARNING
TROUBLE
ERROR
LED status display
"RUN" LED (yellow/green) Meaning
PLC project is being loaded.
PLC project is stopped.
PLC project is started.
LED status display
"STA" LED (yellow/green) Meaning
Update/Downgrade process is running.
Update/Downgrade process is carried out.
96
Meaning
There are no active error responses in the device.
The device indicates a warning. The function of the device differs from the expected
behavior.
Note!
If the "RDY" LED is blinking at the same time, a hardware error of the device has
occurred.
The device indicates a fault. The function of the device is impaired.
The device indicates an error. The function of the device is faulty.