Instructions Owner's manual
Product description
Controls and displays
3
16
Lenze ¯ BA_c300 ¯ 2.0
3.5 Controls and displays
c300_001
Fig. 3−3 Control and display elements
Pos. Description
A Controller
B Locking lever (DIN rail)
C Backplane bus contacts
D DIN rail guide
E Status LEDs ( 16)
F Reset button
G Contact cover
LED status displays
LED
Meaning
Power Error Status 1 Status 2
Flashing
blue
Off Off Off Supply voltage available and system clock synchronised.
Flashing
blue
Off Blinking
yellow
Off Operating system running and control technology (PLC
project) is started.
Flashing
blue
Blinking
red
Blinking
yellow
Off SD card not available/not inserted correctly.
Flashing
yellow
Off Off Off Input voltage has not reached a minimum value
(powerfail).
UPS function is triggered.
Blinking
yellow
Off Off Off State after switch−on/restart or a reset
Blinking
blue/yello
w
Off Off Off System clock not synchronised.
Off Off Off Off Reset has been triggered.
"Backup & Restore" software manual
Here you’ll find some detailed information relating to the LED status
displays of the optional "Backup & Restore" Engineering tools.