AEC IST3-J, Руководство пользователя

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User Manual UPS IST3-J 4 Operation and Maintenance
25
Fault symbol Buzzer status Meaning
BAT Long beep
Battery fault, battery voltage too low or too
high protection.
Load energy bars
“25%
～
100%,
overload” all flicker
Rapid beep (Alarm
once about every
0.5s)
Output overload alarm. The output is going to
close, please reduce load.
Load energy bars
“overload” light on
Long beep
Output overload protection, the output has
been closed.
Load energy bars
“short circuit” light on
Long beep
Output short circuit, the output has been
closed.
Battery energy bar
“25%
～ 100%, over-
voltage” all flicker
Slow beep (Alarm
once about every
2.0s)
Battery voltage is too high. Please check if
battery or charger failure.
Battery energy bars
“under-voltage”
flickers
Rapid beep (Alarm
once about every
0.5s)
Battery is about to run out. Please pay
attention to protect the load and save the data
of the PC.
The above information is for user to know about some common fault diagnosis when UPS failure. If it
may be inner components failure, please contact the professional.