Siemens SINAMICS DCM Operating Instructions Manual page 601

Response of the LEDs after ramp-up
Table 10- 79 CUD – Description of the LEDs after ramp-up
LED Color
RDY -
(READY)
Green
Red
Orange
Green/
orange or
red/
orange
DP1 -
PROFIdrive
cyclic
operation
Green
Red
SINAMICS DCM Control Module
Operating Instructions, 12/2018, A5E34888669A
State Description, cause
Off Electronic power supply is missing or outside
permissible tolerance range.
Continuous The component is ready for operation. No errors
light are present.
0.5 Hz Commissioning/reset
flashing light
2 Hz flashing Writing to memory card or internal flash memory
light
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".
2 Hz flashing General errors
light
0.5 Hz Updating the firmware of the connected DRIVE-
flashing light CLiQ components
2 Hz flashing DRIVE-CLiQ component firmware update
light complete. Wait for POWER ON for the respective
components.
1 Hz flashing Component detection via LED is activated
light (p0124[0]).
Note:
Both options depend on the LED state when
component detection is activated via
p0124[0] = 1.
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).
Continuous Cyclic communication is taking place.
light
0.5 Hz Bus fault (dataEx, no operate)
flashing light
Full cyclic communication is not yet taking place.
Possible cause:
The controller is not transferring any setpoints.
Continuous USS: No activity on bus
light
0.5 Hz USS: Activity on bus; no PZD received
flashing light
Bus fault (no dataEx)(config fault)
2 Hz flashing Bus fault (no more dataEx)
light
Bus fault (search baud rate)
Descriptions of functions
10.32 Diagnostics
Remedy
Check power supply
-
-
-
Check parameterization/
configuration
–
Carry out POWER ON for
the respective components
-
-
-
-
-
-
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