SYMPTOM
No LED display on the front
panel.
Alarm buzzer beeps
continuously when AC
supply is normal.
When power failure, back-
up time is shorten.
Mains normal but LED is
flashing.
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 - hotline@infosec.fr – 05 05 04 205 06
POSSIBLE CAUSE
1. Missing battery.
2. Battery defect.
3. Power switch is not
pressed at least 5
seconds.
1. Overload of the UPS.
1. Overload of the UPS.
2. Battery voltage is too
low.
3. Battery defect due to
high temperature
operation environment, or
improper operation to
battery.
1. Fuse is blown.
2. Power cord is loose.
3. No main or UPS is not
on
SOLUTIONS
1. Charge battery up to 8
hours.
2. Replace with the same
type of battery.
3. Press and Hold power
switch for at least 5
seconds.
1. Verify that the load
matches the UPS
capability specified in the
specs.
1. Remove some non
critical load.
2. Charge battery 8 hours
or more.
3. Replace with the same
type of battery.
1. Replace the same type
of fuse.
2. Reconnect the power
cord properly.
3. Reconnect the power
cord properly
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