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When you contact the service center, please provide the following information:
● Model No. and the serial No. of the UPS;
● The date when the problem arose;
● Complete description of the problem, including the LED display, alarm warning,
and power condition and load capacity. If your UPS is a long backup time model,
you may also provide the battery information.
The #1 Fault LED
and the battery LED
are turned on, the
buzzer beeps every
second
The charger of
the UPS is
defective.
Please contact the distributor or service
center.
Battery LED flashes
Battery low or
battery not
connected
Check the battery. If the battery is
damaged, replace the battery
immediately and ensure that the battery
breaker is in “ON” position.
The utility power is
normal, but the UPS
can not turn in line
mode
Bypass breaker
in “OFF” position
Set the bypass breaker in “ON” position.
Battery not yet
been fully
charged
Keep UPS connected to utility power
persistently for more than 10 hours to
recharge the batteries again.
UPS overloaded
Check the loads and remove the
non-critical equipment.
Battery discharging
time diminishes
Battery aged
Replace the batteries. Please contact
the distributor to obtain the parts and
replacement service.
The “ON” button
is pressed too
briefly
Press the “ON” button for more than 1
second.
The UPS is not
connected to the
battery or the
battery pack
voltage is too
low.
Check the battery or recharge the
battery.
The UPS cannot
power on after
pressing the ON
button
UPS fault
Please contact the distributor or service
center.