Siemens Sinamics s120 Commissioning Manual page 314

Diagnostics
4.1 Diagnostics via LEDs
Control Unit 310-2 PN while powering up
Table 4- 12 Load software
RDY COM
Orange Orange
Red Red
Red Red
Red Red
Flashing light 2
Hz
Red Red
Flashing light 2 Flashing light 2
Hz Hz
Table 4- 13 Firmware
RDY COM
Red Orange
Red Off
Off Red
Red Red
Flashing light Flashing light
0.5 Hz 0.5 Hz
Orange Off
Control Unit 310-2 PN in operation
Table 4- 14 Description of the LEDs during operation of the CU310-2 PN
LED Color
RDY -
(READY)
Green
314
LED
OUT>5V
Orange
Off
Off
Off
Off
LED
OUT>5V
Off
Off
Off
Off
Off
State Description / cause
Off Electronic power supply is missing or outside
permissible tolerance range.
Continuous light The unit is ready for operation.
Cyclic DRIVE-CLiQ communication is in pro-
gress.
Flashing light 0.5 Commissioning/reset
Hz
Flashing light 2 Hz Writing to the memory card.
State
MOD
Orange POWER ON
Off Hardware reset After pressing the RESET button
Off BIOS loaded
Off BIOS error
Off File error
State
MOD
Off Firmware load-
ing
Off Firmware load-
ed
Off Firmware
check
(no CRC error)
Off Firmware
check
(CRC error)
Off Firmware ini-
tialization
Commissioning Manual, (IH1), 07/2016, 6SL3097-4AF00-0BP5
Comment
All LEDs light up for approx. 1 s
the LEDs light up for approx. 1 s
-
Error occurred while loading the
BIOS
Memory card not inserted or faulty
Software on memory card not
present or corrupted
Comment
COM-LED flashing without specific
flashing frequency
-
-
CRC is incorrect
-
Remedy
Check the power sup-
ply
-
-
-
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