Diagnostics Via Leds; Control Units; Description Of The Led States Of A Cu320-2 - Siemens Sinamics s120 Commissioning Manual

Diagnostics

4.1 Diagnostics via LEDs

4.1 Diagnostics via LEDs
4.1.1

Control Units

4.1.1.1

Description of the LED states of a CU320-2

The various states of the Control Units CU320-2 DP and CU320-2 PN during power-up and
during operation are displayed using LEDs on the Control Unit. The duration of the individual
statuses varies.
Table 4- 1
LED
RDY
DP/PN
OPT
● If an error occurs, the booting procedure is terminated and the cause is indicated
accordingly via the LEDs.
● Once the unit has successfully booted up, all the LEDs are switched off briefly.
● Once the unit has booted up, the LEDs are controlled via the loaded software.
Control Unit 320-2 DP while powering up
Table 4- 2
Red flashing
light 2 Hz
Red flashing
light 2 Hz
306
LEDs
Function
Ready
PROFIdrive cyclic operation via PROFIBUS (DP) or PROFINET (PN)
OPTION
Load software
LED
RDY DP
Red Orange
Red Red
Red
Red
Flashing
light 2 Hz
Red Orange
flashing
light
Red Off
State
OPT
Orange Reset
Off BIOS loaded –
Off BIOS error
Off File error
Off FW loading
Off FW loaded
Commissioning Manual, (IH1), 07/2016, 6SL3097-4AF00-0BP5
Comment
Hardware reset
RDY LED lights up red, all other LEDs light
up orange
Error occurred while loading the BIOS
•
Memory card not inserted or faulty
•
Software on memory card not present
•
or corrupted
RDY LED lights up red, PN LED flashes
orange without fixed frequency
–
STARTER Commissioning Manual