Digitus DN-170041 - Page 21

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Symptom Possible cause Remedy
Fault code is shown as 43 and The
icon is lighting on LCD
display and alarm is continuously
sounding.
The UPS shut down
automatically because of
overload at the UPS
output.
Remove excess loads from
UPS output and restart it.
Fault code is shown as 14 and the
icon is lighting on LCD
display. Alarm is continuously
sounding.
The UPS shut down
automatically because
short circuit occurs on the
UPS output.
Check output wiring and if
connected devices are in
short circuit status.
Fault code is shown as 01, 02, 03,
04, 11, 12, 13 and 41 on LCD
display and alarm is continuously
sounding.
A UPS internal fault has
occurred. There are two
possible results:
1. The load is still supplied,
but directly from AC power
via bypass.
2. The load is no longer
supplied by power.
Contact your dealer
Battery backup time is shorter
than nominal value
Batteries are not fully
charged
Charge the batteries for at
least 5 hours and then
check capacity. If the
problem still persists,
consult your dealer.
Batteries defect Contact your dealer to
replace the battery.
Fault code is shown as 05 on LCD
display. At the same time, alarm is
continuously sounding and output
is cut off.
A UPS internal fault has
occurred and BUS is short
circuited.
Consult your dealer. If the
UPS power is on again
before repair, the DC/DC
mosfet will damage.