Power Supply User Manual

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8. Preparations Before Operation
Check the following items before starting operation:
① Visually inspect the UPS to verify that there is no visible damage.
② Check that the UPS is connected to a utility power source that meets the input
specifications.
③ Check that the input switch MAIN SW is set to “OFF”.
④ Check that load devices are connected correctly.
⑤ Check that none of the connections is loose.
BATT
EXT.
MAIN SW
② , ⑤ Check input
power source
④ , ⑤ Check load
connections.
③ Switch is “OFF”.