Service manual

2. Characteristic of the Product
For all UPS of this series, they are carefully designed and strictly tested. We always do our
best to make our products more reliable and safer, this is also the goal of our company.
However, due to the lifetime of electrical components and some unpredictable reasons, there
will be unexpected failures may occur to the product, in this case, qualified service is needed.
This service manual will guide the technicians to repair and adjust a problematic UPS. If the
UPS still does not work properly, please contact with us and we will be glad to solve any
problems you met.
Because of the following unique features, this series UPS (Uninterruptible Power System) is
very easy to maintain and service.
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All major power components are put on PCB.
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Minimum numbers of PCB sub-assembly.
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Major parts are simply connected with flexible insulated wires and plugs.
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All PCBs are interconnected with connectors.
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Most functional sub-circuit become modular, easy to identify the problem and repair
by replacing a appropriate module
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