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5
Inspection
5.1
Care and Daily Inspection
In order to use the UPS safely over the long term, perform the following care and daily
inspection regularly.
Warning
Electric Do not remove the cover of the UPS.
shock
Since there are some portions with high voltage in the inside of the UPS,
there is fear of an electric shock.
Electric
shock
When inspecting or maintaining the connection device (a
device getting connected to the UPS) or the UPS, turn off the
connection device and the UPS. And turn off the input breaker
on the back of the UPS, and cut off connection with AC input
terminal (R, S).
There is fear of an electric shock.
Only maintenance personnel must perform the maintenance
other than daily inspection, such as the replacement of battery
and cooling fan.
There is fear of an electric shock.
Damage When turning off the input breaker on the back of the UPS,
confirm that the RUN LED (green) is blinking slowly (in the
cycles of approximately 1.6 sec.).
If the breaker of the distribution board is turned off or the input breaker on
the back of the UPS is turned off, without turning off the UPS, the internal
battery will be discharged, since it will be in the same state as a power
failure.
There is fear of the battery damage or a shortening of a cycle of battery
replacement.
Caution
Summary of Contents for M-UPS050AD1B
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