Control Unit 320-2 PN while powering up
Table 3- 5
flashing
light 2 Hz
flashing
light 2 Hz
flashing
light 0.5 Hz
Table 3- 6
Orange
Commissioning Manual
Commissioning Manual, (IH1), 01/2012, 6SL3097-4AF00-0BP2
Load software
LED
RDY
PN
Red
Orange
Red
Red
Red
Red
Red
Red
flashing light
2 Hz
Red
Orange
flashing light
Red
Off
Off
Red
Red
Red flashing
light 0.5 Hz
Firmware
LED
RDY
PN
Off
Alternating
State
OPT
Orange
Reset
Off
BIOS loaded
Off
BIOS error
Off
File error
Off
FW loading
Off
FW loaded
Off
FW checked
(no CRC error)
Off
FW checked
(CRC error)
State
OPT
Off
Initializing
Running
3.1 Diagnostics via LEDs
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
–
CRC invalid
Comment
–
See the table below
Diagnostics
187