3
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.
4
The UPS module
can not transfer to
bypass or inverter
Module
does
not
well
inserted;
The left coronal screw is not
tight.
Output breaker do not switch
on
Pull out the module and insert again;
Tighten the screw;
Switch on the output breaker.
5
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.
6
Battery
LED
is
flashing but
no charge voltage
and current
Battery breaker 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 breaker. 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.
7
Buzzer beeps every
0.5 seconds and
LCD display “output
overload”
Overload
remove some load
8
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.
9
The LED of the
Module with RED
light
The module is not inserted
properly.
Pull out the module and insert
properly.
10
The
UPS
only
works on bypass
mode
The UPS is set to ECO mode
Set the UPS working mode to Single
Module type(non-parallel)
11
Can not Black start
Battery switch is not properly
closed
;
Battery fuse broken down
;
Or Battery low
Close the battery switch
;
Change the fuse
;
Recharge the battery
12
UPS start but have
“rectifier fault”, “
DC
Bus over voltage
”.
Input
negative
cable
disconnected
Connect input negative cable
13
Buzzer
beeps
continuously
and
LCD
indicates
Rectifier
fault
or
output fault
UPS is out of order
Consult with your local agent for
repair