Qoltec 53923 User Manual - page 9
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When a warning occurred, the fault icon blinks every second, and users can switch to the alarm display page shown as the figure 4-6 to check
the warning code.
Figure 4-6 Alarm display
4.3 Operating instructions
4.3.1 UPS ON/OFF operation
Note: The battery is fully charged before delivery. However, storage and transportation will inevitably cause some charge loss. Therefore, it is
advisable to charge the battery for 10 hours before using it, so as to ensure adequate battery autonomy.
1. Turning on the UPS
The operation of turning on the UPS contains: turning on with utility power and turning on without utility power.
1) Turning on with utility power:
Connect the mains input to the UPS, press the ON button more than one second, UPS start to turn on. At this point, the LCD begins to
conduct self-diagnosis (all the LCD indicators are turn on about 4 seconds). Seconds later, the UPS will begin to operate in Normal mode;
meanwhile, the utility power indicator, inverter indicators will turn on. If the utility power is abnormal, the UPS will work in battery mode.
2) Turning on without utility power:
With no mains input feed to the UPS, press the ON button more than one
second, UPS start to turn on, At this point, the LCD begins to conduct
self-diagnosis (all the LCD indicators are turn on about 4 seconds). Seconds later, the battery indicator, inverter indicators will be turn on to
indicate that the UPS is working in battery mode.
2. Powering down the UPS
The operation of powering down the UPS contains: turning off UPS in normal mode, turning off UPS in battery mode.
1) Completely power down the UPS from Normal mode
Hold and press the OFF button persistently for more than 1 second to power off the UPS. If it bas been set up to work in bypass mode by
software, the bypass indicator will be turn on to indicate that the UPS is working in bypass mode. In order to cut off the output from the
UPS, simply cut off the utility power supply. LCD begins to conduct self-diagnosis (all the LCD indicators are turn on about 4 seconds),
seconds later, not any display is shown on the front panel and no output is available from the UPS outlets, system completely power
down.
2) Completely power down the UPS from Battery mode
Press the “OFF” button persistently for more than 1 second to power off the UPS. When being powered off, the LCD will start self-diagnosis
(all the LCD indicators are turn on about 4 seconds), seconds later, not any display is shown on the front panel and no voltage output is
available from the UPS outlets, system completely power down.
4.3.2 Conducting battery self-diagnosis
In UPS operation, users can manually initiate battery self-diagnosis to check the battery conditions. There are two methods to initiate the
battery self-diagnosis:
1. Through the function button
In normal mode, press and hold the function for more than 5 seconds until the buzzer beeps twice. At this point the indicators (LED7~10)
will blink cyclically, indicating the UPS has worked in battery mode and the battery self-diagnosis has started. The battery self-diagnosis
will last for 5 seconds default. In the event of a battery fault during battery self-diagnosis, the UPS will transfer to normal mode
automatically.
2. Through the monitor software
Users can also initiate battery self-diagnosis through the background monitoring software.
4.4 Checking UPS function
Every time when conducting field maintenance, please check the regular function of the UPS, including: