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contact@iflowpower.com 
+86 18988945661
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+86 18988945661 contact@iflowpower.com +86 18988945661
Author ：Iflowpower – Portable Power Station Supplier
The UPS power supply correctly maintained and repaired method 1, it is necessary for annual maintenance, and it is necessary to prepare before maintenance. For example, various tools, various measuring instruments, and various difficulties may encounter. There is corresponding countermeasures, methods and measures for problems encountered.
2. Check the various drive components and printed circuit plug-in boards, main power supply circuits, DC power supply circuits in the UPS power cabinet, solder joints, fake welding and cracks, and components have anti-coke color phenomena. Quickly use 150W bulb after power failure, the upper surface of the UPS power supply is over, and the battery is turned off to prevent electric shock.
At this time, use the temperature tester or use the hand to touch the components, there is no special hot hand, and the high temperature device should be used for a detailed check, if necessary, replace. 3, transformer coils and connecting devices and chokes are hot, discolored, layered lacquer lines fall off, and whether the coupling connector is secure. Check the battery.
First, the measurement voltage is measured, and the volume is measured, and the battery capacity is checked with the battery internal resistance. To do it, the whole set of batteries should keep up on the full load of about 5 minutes, otherwise adjust the replacement according to customer requirements. 4, check if each switch contact is secure, burn bad, etc.
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