Siemens SINAMICS SL150 - Fault and System Message Handling

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 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.
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Operation
8.2 Fault and system messages
SINAMICS SL150 6SL38600UL432AA0Z
72 Operating Instructions Rev.201910281433 EXAMPLE