AEG 80 / 120 kVA Operating Instructions Manual page 62

3.
This message means the UPS starts up by battery power ("Black Start").
4.
This message means the UPS is in bypass mode. In the mean time, the main
power
source and battery are cut off. So the loads may lose power if the bypass source
may fail also.
S E L F D I A GNO S I S
BYPA.
MAINS
!
P R E S
UN I T : # 1 . 1
S T O B R OWS E E V E N T ( 0 0 4 )
7-5
2 0 0 8 - 1 0 - 0 2
1 1 : 5 9 : 5 9