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5.3 Self-test
Use the self-test to verify both the operation of the UPS and the condition of the
battery. In normal utility power, push the ON/TEST button more than 1 second
and UPS performs a self-test function. During the self-test, the UPS operates a
back up mode.
Note: During the self-test, the UPS briefly operates the loads on-battery (the
on-battery LED comes on).
If the UPS passes the self-test, it returns to on-line operation. The on-battery
LED does off and the on-line LED goes on steady.
If the UPS fails the self-test it immediately returns to on-line operation and
lights the replace battery LED. The loads are not affected. Recharge the
battery overnight and perform the self-test again. If the replace battery LED is
still on, ask our nearest dealer to replace battery.
5.4 Silence
In "BACK UP" mode, push ON/TEST more than 1 second to silence the audible
alarm. (The function is void when under condition of "LOW BATTERY" or
"OVERLOAD")
Note: At back-up mode, UPS can be automatically turned off if none of the
connected loads is operating.
5.5 Load bar graph
The 5-LED display (See section 3.8 for location of the indicator on the front panel)
shows the power drawn from the UPS by load. The display indicates the
percentage of the UPS's rated capacity. For example. If three LEDs are lit, the
load is drawing between 50% and 67% of the UPS's capacity.
If the UPS is overloaded, the overload LED lights and alarm sounds. See section
6.3
5.6 Bttery charge bar graph
The 5-LED display (see section 3.9 for location of the indicator on the front panel)
shows the present charge of the UPS's battery as a percentage of the battery
capacity. When all five LEDs light, the battery is fully charged. When only two
LED lights, the battery can supply less than two minutes of run time for the load.
5.7 Cold start
When the UPS is off and there is no utility power, use the cold start feature to
apply power to the loads from UPS's battery. Press the ON/TEST button (see
section 3.1 for location of the indicator on the front panel) until the UPS beeps.
5.8 Shutdown mode
In shutdown mode the UPS stops supplying power to the load, waiting for return of
utility power. If there is no utility power present, external devices (e.g., servers)
connected to the computer interface can command the UPS to shutdown. This is
normally done to preserve battery capacity after the graceful shutdown of
protected servers. The UPS will scroll the front panel indicators sequentially in
shutdown mode.