SYMPTOM
No LED display on the front
panel.
When power failure,
backup 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 – 03 05 04 206 15
POSSIBLE CAUSE
1. Missing battery.
2. Battery defect.
3. Power switch is not
pressed.
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.
SOLUTIONS
1. Charge battery up to 8
hours.
2. Replace with the same
type of battery.
3. Press power switch
again.
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.
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