Nord Drivesystems SK 300P Series - Diagnostic LED Operation

NORDAC ON / ON+ (SK 3xxP) – Manual with installation instructions
46 BU 0800 en-4521
3.1.5 Display of M4 and M5
LED Labelling Display Meaning
M4 – 1
DIN1
Yellow On
Digital input 1 = high
Off
Digital input 1 = low
Red On
Overload
M4 – 2
DIN2
Yellow On
Digital input 2 = high
Off Digital input 2 = low
Red On
Overload
M5 – 1
DIN3
Yellow On
Digital input 3 = high
Off
Digital input 3 = low
Red On
Overload
M5 – 2
DIN4 Yellow On Digital input 4 = high
Off
Digital input 4 = low
Red On
Overload
3.2 Diagnostic LED
LED
No.
Colour
Description
Signal status
Meaning
1
Dual
Red/green
Device status
Off
Device is not ready for operation,
• No mains or control voltage
Green On
Device is enabled (inverter is working)
Flashing
green
0.5 Hz
Device is ready to switch-on, but not
enabled
4 Hz
Device is in switch-on inhibit
Red/green
4 Hz
Warning
Changing
1…25 Hz
Overload level of the switched on device
Flashing
red
Error,
Flashing frequency = error code (group)
(e. g.: 3 x flashing = E003)