Siemens SINAMICS G150 Operating Instructions Manual page 596

Diagnosis/faults and alarms
10.2 Diagnosis
Table 10- 2 Description of the LEDs on the CU320-2 PN Control Unit
LED Color
RDY (READY) ---
Green
Red
Red/green
Orange
Green/
orange or
red/orange
COM ---
PROFIdrive cyclic
operation
Green
Red
OPT ---
(OPTION)
Green
Red
RDY and COM Red
RDY and OPT Orange
Any individual behaviors of the LED OPT are described at the respective Option Board.
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State Description
OFF The electronic power supply is missing or lies outside the permis-
sible tolerance range.
Continuous light The component is ready for operation and cyclic DRIVE-CLiQ
communication is taking place.
0.5 Hz flashing Commissioning/reset
light
2 Hz flashing light Writing to the memory card.
2 Hz flashing light General fault
0.5 Hz flashing Control Unit is ready for operation.
light However, there are no software licenses.
0.5 Hz flashing Firmware update in progress for the connected DRIVE-CLiQ com-
light ponents.
2 Hz flashing light Firmware update of components has been completed. Wait for
POWER ON of the respective component.
2 Hz flashing light Component detection via LED is activated (p0124[0]).
Note:
Both options depend on the LED status when component recogni-
tion is activated via p0124[0] = 1.
OFF Cyclic communication is not (yet) running.
Note:
The PROFIdrive is ready for communication when the Control Unit
is ready for operation (see LED RDY).
Continuous light Cyclic communication is taking place.
0.5 Hz flashing Cyclic communication is still not completely running.
light Possible causes:
- The controller is not transferring any setpoints.
- For isochronous operation, either none or a faulty Global Control
(GC) has been transferred from the controller.
- "Shared Device" has been selected and only one controller con-
nected.
0.5 Hz flashing Bus error, incorrect parameter assignment/configuration
light
2 Hz flashing light Cyclic bus communication has been interrupted or could not be
established.
OFF Electronic power supply missing or outside permissible tolerance
range.
The component is not ready for operation.
The Option Board is missing or an associated drive object has not
been created.
Continuous light Option board is ready.
0.5 Hz flashing Depends on the option board used
light
Continuous light Depends on the option board used
0.5 Hz flashing Depends on the option board used
light
2 Hz flashing light This component has at least one fault.
The option board is not ready (e.g., after switching on).
2 Hz flashing light Bus error - communication has been interrupted.
0.5 Hz flashing The firmware of the connected option board is being updated.
light
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Converter cabinet units
Operating Instructions, 07/2016, A5E03347396A