Descriptions of functions
10.34 Diagnostics
SINAMICS DCM DC Converter
Operating Instructions, 12/2018, A5E34763375A
637
Response of the LEDs after ramp-up
Table 10- 79 CUD - Description of the LEDs after ramp-up
LED
Color
State
Description, cause
Remedy
RDY
(READY)
-
Off
Electronic power supply is missing or outside
permissible tolerance range.
Check power supply
Green
Continuous
light
The component is ready for operation. No errors
are present.
-
Flashing light
0.5 Hz
Commissioning/reset
-
Flashing light
2 Hz
Writing to memory card or internal flash memory
Notice!
The electronic power supply for the SINAMICS DC
MASTER must not be switched off during this write
process.
Switching off the electronic power supply can lead
to the loss of the parameter assignments. Also
refer to Chapter "Operation", Section "Memory card
functions".
-
Red
Flashing light
2 Hz
General errors
Check parameterization/
configuration
Orange
Flashing light
0.5 Hz
Updating the firmware of the connected DRIVE-
CLiQ components
–
Flashing light
2 Hz
DRIVE-CLiQ component firmware update
complete. Wait for POWER ON for the respective
components.
Carry out POWER ON for
the respective
components
Green/
orange or
Red/
orange
Flashing light
1 Hz
Component detection via LED is activated
(p0124[0]).
Note:
Both options depend on the LED state when
component detection is activated via p0124[0] = 1.
-
DP1
PROFIdrive
cyclic
operation
-
Off
Cyclic communication has not (yet) taken place.
Note:
The PROFIdrive is ready to communicate when the
CUD is ready for operation (see LED RDY).
-
Green
Continuous
light
Cyclic communication is taking place.
-
Flashing light
0.5 Hz
Bus fault (dataEx, no operate)
Full cyclic communication is not yet taking place.
Possible cause:
The controller is not transferring any setpoints.
-
Red
Continuous
light
USS: No activity on bus
Flashing light
0.5 Hz
USS: Activity on bus; no PZD received
Bus fault (no dataEx)(config fault)
-
Flashing light
2 Hz
Bus fault (no more dataEx)
-
Bus fault (search baud rate)
No link established
-