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INFOSEC UPS SYSTEM – 4 rue de la Rigotière – 44700 Orvault – France – www.infosec-ups.com
Hot Line Tel : +33 (0)2 40 76 15 82 – fax : +33(0)2 40 94 29 51 – [email protected] –12 13 AA 59 203 07
4. Trouble Shooting
If the UPS system does not operate correctly, please solve the problem by using the table below.
Symptom Possible
cause
Remedy
No indication and alarm in the
front display panel even though
the mains is normal.
The AC input power is not
connected properly.
Check that the input cable is firmly connected
to the mains.
The icon
and the warning
code
flash on LCD display
and alarm beeps every second.
EPO function is activated.
At this time, the EPO switch is in
“OFF” status or the jumper is
open.
Set the circuit in closed position to disable the
EPO function.
The icons
and
flash on LCD display and alarm
beeps every second.
The external or internal battery is
incorrectly connected.
Check that all batteries are connected
properly.
The icons
and
flash on LCD display and alarm
beeps twice every second.
UPS is in overload.
Remove excess loads from UPS output.
UPS is in overload. Devices
connected to the UPS are fed
directly by the electrical network
via the Bypass.
Remove excess loads from UPS output.
After repetitive overloads, the
UPS is locked in the Bypass
mode. Connected devices are fed
directly by the mains.
Remove excess loads from UPS output first.
Then shut down the UPS and restart it.
Fault code is shown as 43. The
icon
lights on LCD
display and alarm beeps
continuously.
UPS in overload too long and
becomes faulty. Then UPS shuts
down automatically.
Remove excess loads from UPS output and
restart it.
Fault code is shown as 14, the icon
lights on LCD display,
and alarm beeps continuously.
The UPS shuts down
automatically because short
circuit occurs on the UPS output.
Check output wiring and that connected
devices are in short circuit status.
Other fault codes are shown on
LCD display and alarm beeps
continuously.
A UPS internal fault has occurred. Contact your dealer
Battery backup time is shorter
than nominal value
Batteries are not fully charged
Charge the batteries for at least 7 hours and
then check capacity. If the problem persists,
consult your dealer.
Battery defect
Contact your dealer to replace the battery.
The icons
and
flash
on
LCD display and alarm beeps
every second.
Fan is locked or not working; or
the UPS temperature is too high. Check fans and notify dealer.
The warning code 02 is shown,
the icon
flashes on LCD
display, and alarm beeps every
second.
The input neutral wire is
disconnected.
Check and correct the input neutral
connection. If the connection is ok and the
alarm is still displaying, please refer to the
LCD setting section, to enter the neutral loss
check menu, to see if the parameter3 is
“CHE”, if it is, please press the “Enter” key
firstly to make the “CHE” flash and press the
“Enter” key secondly to make the UPS clear
the alarm. If the warning still exists, please
check input fuses of L2 and L3.
The L2 or L3 input fuse is broken. Replace the fuse.
