TROUBLESHOOTING 21
—
Troubleshooting
Alarm and events indicate warnings
and notify of errors or potential
failures in the system. The output of
the UPS is not necessarily affected
in case of an alarm but taking the
correct actions may prevent loss of
power to the load. If the UPS system
does not operate correctly, attempt
to solve the problem using the
table below.
Faults Reference Code
Fault event Fault code Icon
Bus start fail 01 X
Bus over 02 X
Bus under 03 X
Bus unbalance 04 X
Inverter soft start
failure
11 X
Inverter voltage high 12 X
Inverter voltage Low 13 X
Fault event Fault code Icon
Inverter output short 14 X
Battery voltage too high 27 X
Battery voltage too low 28 X
Over temperature 41 X
Overload 43
Charger failure 45 X
Warning indicator
Warning Icon (flashing) Alarm
Low battery Sounding every second
Overload Sounding twice every second
Battery is not connected Sounding every second
Over charge Sounding every second
Over temperature Sounding every second
Charger failure Sounding every second
Battery fault Sounding every second
Out of bypass voltage range Sounding every second
Bypass frequency unstable Sounding every second
EEPROM error Sounding every second
25%
50%
7
5
%
100%
BATT
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