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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] – 07 11 AA 59 203 09
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 enabled.
Set the circuit to closed
position to disable 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.
Fault code is shown as 28, the icon
lights on LCD display, and
alarm beeps continuously.
Battery voltage is too low or
the charger is faulty.
Contact your dealer.
The icons
and
flash on
LCD display and alarm beeps twice
every second.
UPS is overload.
Remove excess loads from
UPS output.
UPS is overloaded. 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.
Fault code is shown as 1, 2, 3, 4, 5,
11, 12, 13, 1A, 21, 24, 35, 36, 41 or 42
on LCD display and alarm beeps
continuously.
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 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.
