3.3 Use: Status and Alarm Indications
the operating mode
! low priority alarms
!! high priority alarms
SITUATION
Charger on
Mains on.
O
(3.3.1)
UPS output off
Normal
Mains on.
O
operation
UPS output on
(3.3.2)
On battery
Mains off or abnormal, UPS
!
(3.3.3)
output on
Battery low
UPS on battery, battery
!!
(3.3.4)
under drained condition
Mains on, UPS output on.
Replace
!
UPS has failed to pass the
battery (3.3.5)
previous self test
Overload on
Mains on, output power >
!!
mains (3.3.6)
105% of the rated capacity.
Mains off or abnormal,
Overload on
!!
Output power > 105% of the
battery (3.3.6)
rated capacity.
Mains on, unit switches to
Self test
O
battery mode for 6 secs to
(3.3.7)
check the bat. condition
Operating modes and corresponding indications, see 3.3.1 – 3.3.7.
* Reset Buzzer alarm: Press keypad 'ON' for 2 seconds.
Only the actual buzzer is muted; a next alarm re-activates the buzzer.
A buzzer reset does not affect the computer interface alarm.
3.3.1 Charger on
Mains on, UPS output off, the batteries are charging.
3.3.2 Normal operation
Mains on, UPS output on, see also 3.2.1.
modifications reserved
o status indications
abnormal operating situations
situations in which the actual output voltage of the UPS is no longer
guaranteed; immediate action should be taken
Green blinking
1x /sec
Green on
Green on
(mains mode)
Green blinking
1x /sec
(standby mode)
Green on
Green on
6
LINE
BAT
Red on
Red on
Red
blinking
1x /30 sec
Red on
Red on
User manual ML Series 350-1000 VA UPS 1.0 (GB)
RESET
BUZZER
BUZZER
Beeps
Possible*
1x /4 sec
Beeps
Not
1x /sec
possible
Beeps
1x /30 sec
Not
Continuous
possible
Not
Continuous
possible
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