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(1-10kVA) UPS IST3
User Manual
Fault symbol
Load energy bars all
flicker
Battery energy bar
all flicker
Battery energy bars
are all off and the
frame flickers
Buzzer status
PRL
Long beep
PWR Long beep
Rapid beep (Alarm
CHG
once about every
0.2s)
Slow beep (Alarm
BYP
once about every
2.0s)
Slow beep (Alarm
CAN
once about every
2.0s)
Rapid beep (Alarm
once about every
0.2s)
Slow beep (Alarm
once about every
2.0s)
Rapid beep (Alarm
once about every
0.2s)
Meaning
SGL mode) is different.
Parallel
wire
in
disconnected.
Power failure. If it is abnormal, repair it in
time.
1.
Charger
protection(Please check if the cooling fan
in the charging board failure);
2.
Output short-circuit protection in the
charger.
In the mains mode, bypass voltage or bypass
frequency abnormal. Please check if the
bypass breaker is switched on.
CAN communication abnormal in the parallel
system. Please check if paralleled wire is
damaged or only a UPS in the parallel system
powers on.
Output overload alarm. the output is going to
close, please reduce load.
Battery voltage is too high. Please check if
battery or charger failure.
Battery is about to run out. Please pay
attention to protect device and save you data
in the PC.
the
parallel
system
over-temperature
41
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