Specifications

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3-9 Silence function

The buzzer can be turned “On” or “Off” by pressing the [ On Test ] button when

the UPS is in “ON-BATTERY mode”.

3-10 Turning “OFF” the UPS

Push the [ OFF ] button for turning off the UPS. When a short beep is heard,

please release your press. After a few seconds the UPS will be off.

The UPS will keep charging when UPS is in “STANDBY mode” even though the

[ OFF ] button has been pressed. To fully turn off the UPS, it is advised to

unplug the power cord.

3-11 If certain abnormal condition occurs, the UPS will

send the following messages:

“ON-BATTERY mode”: When the UPS is in “ON-BATTERY

mode”, the on- battery LED will light on, buzzer beep half

second every 2 seconds and then the UPS will start supplying

power to load through batteries. (Shown as Figure 3-8)

OVERLOAD: If the load exceeds the UPS rating, after a

limited period, the overload LED will light on and buzzer

continuous beeping to alarm the user. The user should unplug

some uncritical loads to release the overload condition.

(Shown as Figure 3-9)

FAULT

BYPASS

LINE

ONLINE

100%

75 %

50 %

25 %

LOAD

BATT

BATT. LOW

ON BATT.

REPLACE

BATT.

TEST

OFF

UNINTERRUPTIBLE POWER SUPPLIES

OVERLOAD