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The UPS does not
indicate any failure,
but output do not
5
have voltage
The UPS module
6
cannot transfer to
bypass or inverter
The UPS module fault
7
LED remains ON
Utility LED is
flashing
8
Battery LED is
flashing but
9
no charge voltage
and current
Buzzer beeps every
0.5 seconds and
LCD display "output
10
overload"
Buzzer long beeps,
11
LCD display "output
short circuit"
The LED of the
12
Module with RED light
The UPS only works
13
on bypass mode
14
Cannot Black start
Buzzer beeps
continuously and
15
LCD indicates
Rectifier fault or
output fault
Appendix 3 CAN communication port definition
Output cable does not well
connected
Module does not well
inserted;
The left coronal screw is
not tight.
Output switch do not
switch on
The module is already
damaged
Utility voltage exceeds
UPS input range.
Battery switch does not
switch on, or batteries are
damaged, or battery is
reversely connected.
Battery number and
capacity are not set
correctly.
Overload
The UPS output is in short
circuit
The module is not inserted
properly.
The UPS is set to ECO
mode, or the transfer times
to bypass mode are
limited.
Battery switch is not
properly closed;
Battery fuse is not open;
Or Battery low
UPS is out of order
78
Make sure the output cable is well
connected.
Pull out the module and insert again;
Tighten the screw;
Switch on the output switch.
Take out this module, replace with a
new module.
If the UPS operates at battery mode,
please pay attention to the remaining
backup time needed for your system.
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.
remove some load
Make sure the load is not in short
circuit, and then restart the UPS.
Pull out the module and insert
properly.
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
Close the battery switch;
Change the fuse;
Recharge the battery
Consult with your local agent for
repair
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