INFOSEC UPS SYSTEM - 4, rue de la Rigotière – 44700 Orvault – FRANCE - www.infosec.fr
Hot Line: tel : + 33 (0)2 40 76 15 82 - fax : + 33 (0)2 40 94 29 51 - [email protected] - 09 05 04 205 12
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Trouble Shooting
If the UPS system does not operate correctly, please attempt to solve the problem using the chart below.
Problem Possible
cause
Remedy
No indication, no audible alarm even though
system is connected to mains power supply.
No input voltage.
Check building wiring outlet and
input cable.
“ON LINE” led blinks.
Line and neutral conductors
have been reversed at the
input of UPS system.
Rotate mains power outlet by 180°
or connect UPS system.
“ON LINE” led blinks and “BAT.” led lights up.
Input power and/or frequency
are out of tolerance.
Check input power source and
inform dealer if necessary.
“ON LINE” and “BY-PASS” led light up even
though the power supply is available.
Inverter not switched on.
Press On-Switch “I”.
“INVERTER” led lights up and an audible
alarm beeps every 4 seconds.
Mains power supply has failed.
UPS automatically switches to
battery mode.
The audible alarm beeps every
second to indicate that battery is
almost empty.
“FAULT” led lights and an audible alarm
beeps every second.
Overload.
Remove loads of UPS output.
“FAULT” led lights up and the alarm is
continuously beeping.
UPS fault.
Notify dealer.
Emergency supply period shorter than
nominal value.
Batteries not fully charged /
batteries defect.
Charge the batteries for at least
8 hours and then check capacity. If
the problem still persists, consult
your dealer.
“FAULT” led lights, “BAT.” led blinks and an
audible alarm beeps every second.
Charger or Batteries damaged. Notify dealer.
Please have the following information ready when calling the After-Sales Service
Department:
Model number, serial number.
Date of purchase and date on which the problem
occurred.
Detailed description of the problem.