Appendix 2 Problems And Solution - KStar YMK3300-200k Operation Manual

Storage Temperature
Audible & Visual
Display
Reading On the LCD
Standard cabinet
Dimensions(W*D*H)
Dimensions(W*D*H)
Other
Dimensions(W*D*H)
Cabinet Weight (Kg)
Module Weight (Kg)
Safety Conformance
In case the UPS cannot 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 information.
（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
1 LCD not display
LCD Blue screen
2
Utility is connected
but the UPS cannot
3
be powered ON.
Utility normal but
Utility LED does not
4 light on, and the UPS
operates at battery
mode
Humidity
Altitude
Line Failure, Battery Low, Overload, System Fault
Status LED UPS Fault, Alarm and normal
Input Voltage, Input Frequency, Output Voltage, Output
Frequency, Load Percentage, Battery Voltage, parameter
set, history record...
Full cabinet
600*850*2000
(mm)
Module
(mm)

Appendix 2 Problems and Solution

Possible reason
The network cable is not
fixed properly or the
telephone line of the front
door is not fixed properly.
LCD is Interference
Input power supply is not
connected;
Input voltage low;
The input switch of the
module is not switched on.
The input switch of the
Modules are not switched
on;
input cable is not well
connected
-25℃～55℃
0～95% non condensing
< 1500m
600*850*2000
1200*850*2000
440*620*130
260 280/600
CE,EN/IEC 62040-3,EN/IEC 62040-1-1
Connect the network cable and
telephone cable properly.
Take out the cable and insert back
properly
Measure if the UPS input
voltage/frequency is within the
window.
Check if all modules input are
switched on
Switch on the input switch;
Make sure the input cable is well
connected.
71
1200*850*2000
650
32
Solution
720