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The utility power
LED flashes
The voltage or
frequency of the
utility power is
out of the input
range of the
UPS.
The UPS is running in battery mode. To
save your data and close the application
program. Make sure the utility power is
within the input voltage or frequency
range permitted by the UPS.
The #1 Fault LED
and the #2 LED are
turned on, the UPS
beeps continuously
The UPS is
overloaded or the
load equipment
is faulty
Check the loads and remove all
no-critical equipment. Recalculate the
load power and reduce the number of
loads connected to the UPS. Check that
the loads are not failed.