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8.6.3.2
Diagnostics via LEDs
Behavior of the LEDs during booting
The different statuses while booting are indicated using LEDs on the Control Unit.
● The duration of the individual statuses varies.
● If an error occurs, the booting procedure is terminated and the cause is indicated
accordingly via the LEDs.
● Once the unit has been successfully booted, all the LEDs are switched off briefly.
● Once the unit has been booted, the LEDs are driven via the loaded software.
LEDs of the Power Stack Adapters
Table 8-9
LEDs of the Power Stack Adapters
LED
Color
Status
Description; cause
Remedy
PWR
-
Off
24 V power supply has failed or is too low
(< 14 V) or internal fuse defective.
Check input voltage.
If input voltage is > 18 V and LED off:
Return component for repair.
Red
Continuous
light
24 V power supply is available (>14 V);
internal board voltage fault.
Check input voltage.
If input voltage is > 18 V and LED red:
Return component for repair.
Green
Continuous
light
24 V power supply OK.
Internal board voltages OK.
--
RUN /
ERR
-
Off
The electronic power supply is missing or
lies outside the permissible tolerance
range.
-
Green
Continuous
light
The component is ready for operation
and cyclic DRIVE-CLiQ communication
is in progress.
-
Orange
Continuous
light
DRIVE-CLiQ communication is being es‐
tablished.
-
Red
Continuous
light
At least one fault is present in the com‐
ponent.
LED is controlled irrespective of the cor‐
responding messages being reconfig‐
ured.
Remedy and acknowledge fault.
Green/red
0.5 Hz flashing
light
Firmware download in progress.
-
2 Hz flashing
light
Firmware download is complete. Waiting
for POWER ON.
Carry out a POWER ON.
Green/
orange
or
Red/orange
Flashing light
Component recognition via LED is acti‐
vated.
The color depends on the LED state
when component recognition is activated.
-
Operation
8.6 Fault and system messages
SINAMICS GM150 6SL3835-2LN44-2AA0
168
Operating Instructions Rev.201910281250 MUSTER
Summary of Contents for Sinamics GM150 6SL3835-2LN44-2AA0
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