Troubleshooting - INFOSEC UPS SYSTEM E4LCD1000 Mode D'emploi

4. Troubleshooting

If the UPS system does not operate correctly, please use the table below to help solve the
problem.
Symptom
No indication and alarm even
though the main is normal.
The icon and the warning
code flashing on LCD
display and alarm sounds every
second.
The icons and
on LCD display and alarm
sounds every second.
The icons and
on LCD display and alarm
sounds every second.
Fault code is shown as 27 and
the icon
LCD display and alarm sounds
continuously.
Fault code is shown as 28 and
the icon
LCD display and alarm sounds
continuously.
The icons
flashing on LCD display and
alarm sounds twice every
second.
Fault code is shown as 43 and
the icon
LCD display and alarm sounds
continuously.
Fault code is shown as 14 and
the icon
LCD display and alarm sounds
continuously.
INFOSEC UPS SYSTEM – 4 rue de la Rigotière – 44700 Orvault – France – www.infosec-ups.com
39
Hot Line Tel : +33 (0)2 40 76 15 82 – fax : +33(0)2 40 94 29 51 – hotline@infosec.fr – 11 10 AA 59 203 04
All manuals and user guides at all-guides.com
Possible cause
The AC input power is not
properly connected.
The AC input is connected
to the UPS output.
EPO function is activated.
Line and neutral
flashing
conductors of UPS input
are reversed.
The external or internal
flashing
battery is incorrectly
connected.
Battery voltage is too high
lights up on
or the charger is faulty.
Battery voltage is too low
lights up on
or the charger is faulty.
UPS is overloaded.
UPS is overloaded.
Devices connected to the
UPS are fed directly by the
and
electrical network via the
Bypass.
After repetitive overloads,
the UPS is locked in the
Bypass mode. Connected
devices are fed directly by
the mains.
The UPS shut down
automatically because of
lights up on
overload at the UPS
output.
The UPS shut down
automatically because
lights up on
short circuit occurs on the
UPS output.
Remedy
Check that the input power
cord is firmly connected to
the mains.
Plug AC input power cord
into AC input socket
correctly.
Set the circuit to closed
position to disable EPO
function.
Rotate mains power
socket by 180° and then
connect to UPS system.
Check that all batteries are
connected properly.
Contact your dealer.
Contact your dealer.
Remove excess loads
from UPS output.
Remove excess loads
from UPS output.
Remove excess loads
from UPS output first, then
shut down the UPS and
restart it.
Remove excess loads
from UPS output and
restart it.
Check output wiring and if
connected devices are in
short circuit status.