Siemens SINAMICS S120 - Page 139

Diagnostics
5.2 Diagnostics using LEDs
Commissioning with Startdrive
Commissioning Manual, (IH3), 07/2016, 6SL3097-4AA10-0BP0
139
Control Unit 320-2 when the powering up
Table 5- 2 Load software
LED
State
Comment
RDY
COM
OPT
Red Orange Orange Reset Hardware reset
RDY LED lights up red, all other LEDs light up or-
ange
Red
Red
Off
BIOS loaded
–
Red
Flashing light
2 Hz
Red Off BIOS error
• Error occurred while loading the BIOS
Red
Flashing light
2 Hz
Red
Flashing light
2 Hz
Off File error
• Memory card not inserted or faulty
• Software on memory card not present or corrupt-
ed
Table 5- 3 Firmware
LED
State
Comment
RDY
COM
OPT
Orange
Off
Off
Initializing
–
Red Orange
Flashing light
Off Firmware loading RDY LED lights up red, COM LED flashes orange
without fixed flash frequency
Red
Off
Off
Firmware loaded
–
Red
flashing light
0.5 Hz
Red
flashing light
0.5 Hz
Off Firmware loaded Firmware-Firmware/Project download completed.
Waiting for POWER ON.
Off Red Off Firmware
checked
(no CRC error)
–
Red
flashing light
0.5 Hz
Red
flashing light
0.5 Hz
Off Firmware
checked
(CRC error)
CRC invalid
Alternating Running See the table below