Additional system components   
9.1 Terminal Module TM54F 
  SINAMICS S120 Combi 
204  Manual, 11/2017, 6SL3097-4AV00-0BP7 
 
 
Meaning of the LEDs on the Terminal Module TM54F 
Table 9- 14  Meaning of the LEDs on the Terminal Module TM54F  
READY  -  Off  The electronics power supply is missing or outside the 
permissible tolerance range. 
– 
Green  Continuous 
light 
The component is ready for operation, cyclic DRIVE-
CLiQ communication is taking place. 
– 
Orange  Continuous 
DRIVE-CLiQ communication is being established.  – 
Red  Continuous 
light 
This component has at least one fault. 
 
The LED is activated irrespective of whether the corre-
sponding messages have been reconfigured. 
Remedy and 
acknowledge 
fault or safely 
acknowledge 
Green / Red  Flashing light 
Firmware is being downloaded.  – 
Flashing light 2 
Firmware download is complete. Wait for POWER ON.  Carry out a 
Green / Orange 
or 
Red / Orange 
Flashing light 1 
Hz 
Component recognition via LED is activated 
(p0154 = 1).  
 
Both options depend on the LED status when compo-
nent recognition is activated.  
Green / Orange: Component is operating without any 
faults  
Red/orange: Component signals a fault 
– 
L1+, L2+   –  Off  The controllable sensor power supply is functioning 
– 
Red  Continuous 
There is a fault in the controllable sensor power supply.  – 
L3+ 
The sensor power supply is operating fault-free. 
Red  Continuous 
The sensor power supply has a fault.  –