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 - hotline@infosec.fr – 06 15 29 59 203 20
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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.
Symptom
Possible cause
Remedy
No indication and alarm even
though the mains is normal.
The AC input power is not
connected well.
Check if input power cord
firmly connected to the
mains.
The AC input is connected
to the UPS output.
Plug AC input power cord
to AC input correctly.
The mains is normal but red
LED is flashing. The alarm is
sounding every second.
The internal or external
battery connection is
wrong.
Please re-connect battery
wires with correct polarity.
The alarm is sounding twice
every second and red LED is
flashing.
UPS is overload
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.
The backup time is on low
battery mode.
Battery is not fully
charged.
Please charge battery at
least 5 hours. If battery is
still in low battery level,
please contact local
dealer.
Battery defect.
Replace the battery with
the same type of battery.
Red LED is on and alarm is
sounding continuously.
UPS fault.
Please contact local
dealer directly.
