72
5
The UPS does not
indicate any failure,
but output do not
have voltage
Output cable does not well
connected
Make sure the output cable is well
connected.
6
The UPS module
cannot transfer to
bypass or inverter
Module does not well
inserted;
The left coronal screw is
not tight.
Output switch do not
switch on
Pull out the module and insert again;
Tighten the screw;
Switch on the output switch.
7
The UPS module fault
LED remains ON
The module is already
damaged
Take out this module, replace with a
new module.
8
Utility LED is
flashing
Utility voltage exceeds
UPS input range.
If the UPS operates at battery mode,
please pay attention to the remaining
backup time needed for your system.
9
Battery LED is
flashing but
no charge voltage
and current
Battery switch does not
switch on, or batteries are
damaged, or battery is
reversely connected.
Battery number and
capacity are not set
correctly.
Switch on the battery switch. If
batteries are damaged, need to
replace whole group batteries,
Connect the battery cables correctly;
Go to LCD setting of the battery
number and capacity, set the correct
data.
10
Buzzer beeps every
0.5 seconds and
LCD display “output
overload”
Overload
remove some load
11
Buzzer long beeps,
LCD display “output
short circuit”
The UPS output is in short
circuit
Make sure the load is not in short
circuit, and then restart the UPS.
12
The LED of the
Module with RED light
The module is not inserted
properly.
Pull out the module and insert
properly.
13
The UPS only works
on bypass mode
The UPS is set to ECO
mode, or the transfer times
to bypass mode are
limited.
Set the UPS working mode to Single
Module type(non-parallel) or to reset
the times of transferring to bypass or
re-start the UPS
14
Cannot Black start
Battery switch is not
properly closed;
Battery fuse is not open;
Or Battery low
Close the battery switch;
Change the fuse;
Recharge the battery
15
Buzzer beeps
continuously and
LCD indicates
Rectifier fault or
output fault
UPS is out of order
Consult with your local agent for
repair
