Qoltec 53940 User Manual
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In UPS operation, users can manually initiate battery self-diagnosis to check the battery conditions. There aretwo methods to initiate the battery self-diagnosis:1. Through the function buttonIn normal mode, press and hold the function for more than 2 seconds until the buzzer beeps twice. At thispoint the indicators (LED7~10) will blink cyclically, indicating the UPS has worked in battery mode and thebattery self-diagnosis has started. The battery self-diagnosis will last for 10 seconds default. In the event ofa battery fault during battery self-diagnosis, the UPS will transfer to normal mode automatically.2. Through the monitor softwareUsers can also initiate battery self-diagnosis through the background monitoring software.5. Maintenance5. 1 Battery MaintenanceThe battery is key component of the UPS. The battery life depends on the ambient temperature, charging anddischarging times. High ambient temperature and deep discharging will shorten the battery life.1. Sealed maintenance-free lead –acid battery be used in the standard. When being connected to the utilitypower whether the UPS has been turned on or not, the UPS keeps charging the battery and also offers theprotective function of charging and discharging.2. Keep the ambient temperature between 15℃ and 25℃.3. If the UPS has not been used for a long period, charging is recommended at the intervals 3 months.4. Batteries should not be replaced individually.5. Under normal conditions, the battery life lasts 3 to 5 years. In case if the battery is found not in goodcondition, earlier replacement should be made. The battery should only be replaced by qualified servicepersonnel.Note: 1.Prior to battery replacement, the UPS must be turned off and disconnected from utility power.2. Metal objects such as rings and watches should be removed.3. Use the screwdriver with insulated handle. Tools and other metal objects should not be placed on thebattery.4. Short circuit or reverse connection between the positive and negative terminal of the battery is strictlyforbidden.5. 2 Checking UPS functionEvery time when conducting field maintenance, please check the regular function of the UPS, including:1. Check the operation status of the UPSIf the main voltage is within the specifications, the UPS should operate in normal mode; if the main voltageis abnormal, the UPS should operate in battery mode. In both cases, there should be no fault indication.2. Check the transfer between the UPS operation modesDisconnect the main input to simulate a mains failure, the UPS should transfer to battery mode and operatenormally; then recover the mains input, the UPS should transfer to normal mode and operate normally.3. Check the LED indicators of the UPSDuring the check processes stated above, check that the LED indication of the UPS agrees with the UPSoperation mode. |
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