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Why is the alarm sounding?
The alarm on a UPS is a means of communicating information. As such, the information being
communicated will differ from product to product. Here is what the alarm means when it
goes off for the following products:
Pro Series: The constant alarm tone means that the UPS is overloaded or
that the unit's batteries are low or weak; a LED indicator will tell you which problem is
occurring. The back-up mode alarm on this product will sound every 15 seconds while the
UPS is operating on the battery (i.e. normal power has failed and you are operating on
reserve power).
XRT Series: The alarm will sound every 2 seconds to indicate that you are
operating in battery mode (i.e. normal power has failed and you are operating on reserve
power).
PowerMind (PML) Series: The alarm will sound constantly to indicate that
either the input frequency or input voltage is too low or too high. The constant alarm
sound with a FAULT LED generally indicates a serious fault, such as a processor lock up,
and you should call MINUTEMAN technical support (972)446-7363. The constant alarm sound
with the OVERLOAD LED means that the UPS has more equipment attached to it than it can
safely support. The alarm sounding periodically means that the unit is operating on the
battery (i.e. normal power has failed and you are operating on reserve power).
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Customer Quotes |
"I was so impressed with performance and service that I purchased a PRO500E for my home PC as well. We have 5 PRO500E (work stations) and 1 PRO1100E (server) here at work.
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- R. Eanes - St Petersburg, Florida
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