4.3.1.3 Shutdown
1. Shutdown in AC Mode
Press and hold the OFF button ‘ ’ for five seconds until the buzzer beeps.
The UPS will cut the power supply to the outlets. The ventilating fans will continue
to operate. Switch off the AC power source. The ventilating fans will stop. The UPS
is now completely shut down.
2. Shutdown in DC Mode
Press and hold the OFF button ‘ ’ for five seconds until the buzzer beeps.
The UPS will cut the power supply to the outlets. The LEDs will turn off, and the
ventilating fans will stop after ten seconds and the ±BUS discharge is below 42 V.
The UPS is now completely shut down.
4.3.1.4 Self Testing in AC Mode
After the UPS has been successfully started in AC mode, press and hold the
Self-Test button ‘ ’ for five seconds until the buzzer beeps. The LED will
shine to indicate that the self-test is in progress. When the self-test is completed
the UPS will return to AC mode. If there were no faults or abnormal conditions
then the LED indicators and LEDs will turn off.
Note: The main function of self testing is to run a discharge test on the
batteries.
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