Buck mode when
AC is normal
Boost mode when
AC is normal
Battery mode
Standby mode
3.7 Faults reference code
Fault event
Bus start fail
Bus over
Bus under
Inverter soft start fail
Inverter voltage high
Inverter voltage high
INFOSEC UPS SYSTEM - 4, rue de la Rigotière - 44700 Orvault - FRANCE - www.infosec-ups.com
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When the input voltage is higher than
the voltage regulation range but lower
than high loss point, the buck AVR
will be activated.
When the input voltage is lower than
the voltage regulation range but
higher than low loss point, the boost
AVR will be activated.
When the input voltage is beyond the
acceptable range or power failure and
alarm is sounding every 4 seconds,
UPS will backup power from battery.
UPS is powered off, there is no output
supply power, but the batteries can
be charged.
Fault
Icon
code
01
x
02
x
03
x
11
x
12
x
13
x
Fault event
Inverter output short
Battery voltage too high
Battery voltage too low
Over temperature
Over load
Fault
Icon
code
14
27
x
28
41
x
43
15