INFOSEC UPS SYSTEM E7 One 1000 RT IEC Manuel Utilisateur page 77

NOTE: "Site Wiring Fault" function can be enabled/disabled via software. Please check software manual
for the details.
4. Troubleshooting
If the UPS system does not operate correctly, please solve the problem by using the table below.
Symptom
No indication and alarm even though
the mains is normal.
The icon and the warning code
flashing on LCD display and
alarm is sounding every 2 seconds.
The icon , and the warning
code flashing on LCD display
and alarm is sounding every 2
seconds.
The icon ,
warning code
display and alarm is sounding every
2 seconds.
Fault code is shown as 27 the icon
is lighting on LCD display and
alarm is continuously sounding.
Fault code is shown as 28 the icon
is lighting on LCD display and
alarm is continuously sounding.
The icon ,
the warning code
LCD display and alarm is sounding
every second.
Fault code is shown as 49 on LCD
display and alarm is continuously
sounding.
Fault code is shown as 43 and the
icon
display. Alarm is continuously
INFOSEC UPS SYSTEM - 15, rue du Moulin - 44880 Sautron - FRANCE - www.infosec-ups.com
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and the
flashing on LCD
and
flashing on
is lighting on LCD
Possible cause
The AC input power is not
connected well.
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
the charger is fault.
Battery voltage is too low or
the charger is fault.
UPS is overload
UPS is overloaded. Devices
connected to the UPS are
fed directly by the electrical
network via the Bypass.
After repetitive overloads,
the UPS is locked in the
Bypass mode. Connected
devices are fed directly by
the mains.
UPS is over input current.
The UPS shut down
automatically because of
overload at the UPS output.
Remedy
Check if input power cord
firmly connected
mains.
Plug AC input power cord to
AC input correctly.
Set the circuit in closed
position to disable
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.
Remove excess loads from
UPS output first. Then shut
down the UPS and restart it.
Remove excess loads from
UPS output.
Remove excess loads from
UPS output and restart it.
to the
EPO
77