48
4 5 6 7
C D E F Battery over temperature
(from battery monitoring)
2 3
6 7
A B C E F Battery over voltage
(from battery monitoring)
1
3
5
7
9
B
D
F Battery under voltage
(from battery monitoring)
xF
8 9 A B C D E F External Fire Alarm
(from monitoring board IO)
4 5 6 7
C D E F External Smoke Alarm
(from monitoring board IO)
2 3
6 7
A B
C
E F UPS model wrong
1
3
5
7
9
B
D
F time
up for suggested
maintenance
Appendix 3 Problems and Solution
In case the UPS can not work normally, it might be wrong in installation, wiring or operation.
Please check these aspects first. If all these aspects are checked without any problem, please
consult with local agent right away and provide below informations.
（
1
）
Product model name and serial number, which can be found in LCD display.
（
2
）
Try to describe the fault with more details, such as LCD display info, LED lights status,
etc.
Read the user manual carefully, it can help a lot for using this UPS in the right way. Some FAQ
(frequently asked questions) may help you to troubleshoot your problem easily.
No.
Problem
Possible reason
Solution
1
LCD not display
The network cable is not
fixed
properly
or the
telephone line of the front
door is not fixed properly.
Connect the network cable and
telephone cable properly.
2
LCD Blue screen
LCD is Interferenced
Take out the cable and insert back
properly
3
Utility is connected
but the UPS can not
be powered ON.
Input power supply is not
connected;
Input voltage low;
The input swith of the
module is not switched on .
measure if the
UPS input
voltage/frequency are within the
window.
Check if all modules input are
switched on
4
Utility normal but
Utiltiy LED does not
light on, and the
UPS operates at
battery mode
The input breakers of the
Modules are not switched
on;
input cable is not well
connected
Switch on the input breaker;
Make sure the input cable is well
connected.
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
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.
