25
o
If the battery voltage has exceeded a certain value,
o
If the Fan has failed,
o
If the Battery Fuse has been switched off or turned to “0” position,
o
If the Battery Test has failed,
o
If the Unit has passed to Inverter Failure Mode,
o
If the Unit has passed to Output Failure Mode.
Other than these conditions it does not lit.
5.2.1.3
Buttons
There are four buttons present on the front panel of the unit. The functions of these buttons are
explained below:
0
button: It is used to switch off the UPS functions of the equipment.
I
Button: This button has three functions:
o
To restart the unit if it is in Shutdown mode,
o
To silence the audible alarm if present,
o
To change the operating mode of the unit as Green or Normal Operation.
When “I” button is pressed, the equipment implements one of the functions respectively listed
above.
Concerning all above functions, If the function on the top is not possible to be implemented,
then it passes to next function. For example if you press the “I” button when the ups is not in
Shutdown mode than it searches for an audible noise if existing where the unit is already working
as online. If there is an audible alarm than it silences this. If not than it changes its operating
mode.
CS
Button: It is used to start up the ups from the batteries whenever the input mains conditions are
not available.
MODE
Button: This button is used to identify the variable that is aimed to be displayed on the”
Variable’’ section.
5.2.2
Alarms
The Unit gives an audible alarm in every two second on following cases;
During a fault alarm indication( when the fault light is flashing),
During the battery operating mode,
During the initial start up test,
During battery test,
During the by-pass operating mode although “Green Mode’’ operation option has not been selected,
During Overload condition,
You can press the “I” button in order to silence the buzzer, but this does not mean that the problem that
caused to activate the audible alarm, has been fixed. If you silence the buzzer as explained above, you can
not reactivate it as audible alarm format for the same type of problem that has activated the buzzer.
It is not possible to switch off the buzzer completely. You can silence the buzzer by pressing the “I” just
for the actual situation. If any other problem occurs later on, different than the previous reason, than the
buzzer shall be heard with an audible sound in order to warn the user about the new situation.
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