Niveo Professional NUPS22-1000U - Manual (Page 15)

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3-3. Audible Alarm
Battery Mode Sounding every 4 seconds
Low Battery Sounding every second
Overload Sounding twice every second
Fault Continuously sounding
3-4. LCD display wordings index
Abbreviation Display content Meaning
ENA Enable
DIS Disable
ESC Escape
RAC Rack display
TOE Tower display
B.L Low Battery
O.L Overload
N.C Battery is not connected
O.C Overcharge
SF Site Fault
E.P EPO
T.P Over Temperature
C.H Charger Failure
B.B Battery Fault
F.U Frequency Unstable in Bypass Mode
B.V Input Voltage is Out of Bypass Range