4 . T R O U B L E S H O O T I N G
If the UPS system does not operate correctly, please solve the problem by using the table
below.
Symptoms
No indication and alarm even though the
main is normal.
The icon
and the warning code
flashing on LCD display and alarm is
sounding every 2 seconds.
The icon
and
display and alarm is sounding every
2 seconds.
The icon
and
display and alarm is sounding every
2 seconds.
Fault code is shown as 27 and the icon
lighting on LCD display and alarm is
continuously sounding.
Fault code is shown as 28 and the icon
lighting on LCD display and alarm is
continuously sounding.
The icon
and the icon
are flashing on LCD display and alarm is
sounding every second.
Fault code is shown as 43 and The icon
is lighting on LCD display and
alarm is continuously sounding.
Fault code is shown as 14 and alarm is
continuously sounding.
Fault code is shown as 1, 2, 3, 11 and 41 on
LCD display and alarm is continuously
sounding.
INFOSEC UPS SYSTEM - 15, rue du Moulin - 44880 Sautron - FRANCE - www.infosec-ups.com
Hot Line – Tel + 33 (0)2 40 76 15 82 - Fax + 33 (0)240 94 29 51 - hotline@infosec.fr – 12 18 AA 59 205 19
flashing on LCD
flashing on LCD
is
is
Possible causes
The AC input power is not
correctly connected.
The AC input is connected
to the UPS output.
EPO function is activated.
Line and neutral
conductors of UPS input
are reversed.
The external or internal
battery is incorrectly
connected.
Battery voltage is too high
or problem with the
charger.
Battery voltage is too low
or problem with the
charger.
UPS is overloaded.
The UPS shut down
automatically because of
an overload at the UPS
output.
The UPS shut down
automatically because
short circuit occurs on the
UPS output.
A UPS internal fault has
occurred.
Remedy
Check if input power cord
firmly connected to the
mains.
Plug AC input power cord
to AC input correctly.
Set the circuit in close
position to disable EPO
function.
Rotate mains power
socket by 180° and then
connect to UPS system.
Check if all batteries are
connected well.
Contact your dealer.
Contact your dealer.
Remove excess loads
from UPS output.
Remove excess loads
from UPS output and
restart it.
Check output wiring and if
connected devices are in
short circuit status.
Contact your dealer
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