UPS MKD2000/3000 XL
Manual
MKD XL Series
Page 16 of 45
6.1.3 LED display
LED
Function
5) NORMAL
flashing: mains existent, UPS is switched-off
(battery load)
duration: mains existent, UPS is switched-on
6) WARNING
UPS is in overload, bypass or battery operation.
7) FAULT
General fault: inverter fault, over temperature or no
battery voltage.