I am looking for AEG Protect 3 Manual. There was a fan fault in the UPS and i replaced it with an Identical one. I cannot reset the alarm.

<b>Moderator's note:</b> The best place to look for manuals is the manufacturer's website. I did a quick Google search and found this manual. I'm sure it will have what you need: http://www.aegps.com/fileadmin/user...ect_3.M_2.0/8000029390_07_BAL_en_20110905.pdf

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> I am looking for AEG Protect 3 Manual. There was a fan fault in the UPS and i
> replaced it with an Identical one. I cannot reset the alarm.

The manual will be of no assistance - have you checked all of the control fuses? failing that the fan monitoring circuit on UPS of this type constantly measures the resistance of the fans so if you have purchased from anywhere other than AEG it is very likely that the fault will remain.