21
The #1 fault LED and the
battery LED are turned on,
the buzzer beeps every
second
The charge 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
Problem
Possible cause
Solution
Battery not yet been fully
charge
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 connect the distributor or service
center.
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.
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