Lenze C 750

Diagnoscs and fault eliminaon
LED status display
The controllers are equipped with LEDs indicang the current operang status. Depending on the running
soware applicaon, dierent control modes of the LEDs are possible.
LED status display
"RDY" LED (blue/yellow) Meaning
O Device is switched o.
Device is starng up.
Device is ready for operaon.
Voltage is underrun.
LED status display
"ERR" LED (red) State Meaning
O NO REACTION There are no acve error responses in the device.
WARNING The device reports a warning. The funconing of the device diers from the
expected behavior.
TROUBLE The device reports a fault. The funconing of the device is impaired.
ERROR The device reports an error. The funconing of the device is defecve.
LED status display
"RUN" LED (yellow/
green)
Meaning
O Device is switched o.
PLC project is being loaded.
PLC project is stopped.
PLC project is started.
LED status display
"STA" LED (yellow/
green)
Meaning
O Device is switched o.
Update/Downgrade process is running.
Update/Downgrade process is carried out.
Diagnoscs and fault eliminaon
LED status display
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