Fault And System Messages; Diagnostics; Diagnostics Via Leds; Table 8-1 Leds Of The Power Stack Adapters - Siemens SINAMICS SL150 Operating Instructions Manual

Operation

8.2 Fault and system messages

Damage caused by incorrect parameter assignment
Malfunctions can occur if you change parameters.
● Do not change the parameters, e.g. for the motor circuit-breaker.
Note
To complement these operating instructions, the List Manual contains an overview of all
parameters as well as a selection of function diagrams to describe the operating principle.
8.2 Fault and system messages
8.2.1

Diagnostics

8.2.1.1

Diagnostics via LEDs

LEDs of the Power Stack Adapters
Table 8-1 LEDs of the Power Stack Adapters
LED Color
PWR -
Red
Green
72
Status Description; cause
Off 24 V power supply has failed or is too low
(< 14 V) or internal fuse defective.
Continuous 24 V power supply is available (>14 V);
light internal board voltage fault.
Continuous 24 V power supply OK.
light
Internal board voltages OK.
Remedy
Check input voltage.
If input voltage is > 18 V and LED off:
Return component for repair.
Check input voltage.
If input voltage is > 18 V and LED red:
Return component for repair.
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SINAMICS SL150 6SL38600UL432AA0Z
Operating Instructions Rev.201910281433 EXAMPLE